{
  "schema": "canli.company-reference.v1",
  "cik": "0001610601",
  "name": "Hello Group Inc.",
  "selection_policy": "extended-v22",
  "source_url": "https://data.sec.gov/api/xbrl/companyfacts/CIK0001610601.json",
  "source_sha256": "b31bcd78033a56b1f5a03a8835b428d201f543288880ce6538697e5dd2f193d7",
  "fetched_at": "2026-09-20T09:26:43.282Z",
  "policy": "Latest-filed annual-report facts per unit and reporting period at capture time. Duration facts cover 300 to 400 days. This selection can include restatements and is not a point-in-time backtest dataset. Missing concepts are omitted, never zero-filled. Values retain original units and are not currency converted. Extended concepts require compatible unit shapes and at least three reporting ends with changing values within one unit. Constant or incompatible added histories are omitted.",
  "claim_boundary": "Public company accounting reference, not market prices, returns, an investment recommendation, or ALPHAC performance. Validate a separately constructed return series with the validation API; accounting values are not returns.",
  "concepts": [
    {
      "tag": "Assets",
      "taxonomy": "us-gaap",
      "label": "Total assets",
      "kind": "instant",
      "meaning": "Resources recognized on the balance sheet. Book assets are not the market value of the business.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 13779299000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025Q4I",
          "unit": "CNY"
        },
        {
          "end": "2024-12-31",
          "val": 18382970000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2024Q4I",
          "unit": "CNY"
        },
        {
          "end": "2023-12-31",
          "val": 16228009000,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2023Q4I",
          "unit": "CNY"
        },
        {
          "end": "2022-12-31",
          "val": 15829587000,
          "accn": "0001193125-24-115459",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-26",
          "frame": "CY2022Q4I",
          "unit": "CNY"
        },
        {
          "end": "2021-12-31",
          "val": 18111238000,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2021Q4I",
          "unit": "CNY"
        },
        {
          "end": "2020-12-31",
          "val": 23220556000,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2020Q4I",
          "unit": "CNY"
        },
        {
          "end": "2019-12-31",
          "val": 22483681000,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2019Q4I",
          "unit": "CNY"
        },
        {
          "end": "2018-12-31",
          "val": 18965538000,
          "accn": "0001193125-20-123373",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-28",
          "frame": "CY2018Q4I",
          "unit": "CNY"
        },
        {
          "end": "2017-12-31",
          "val": 8471188000,
          "accn": "0001193125-19-120962",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-26",
          "frame": "CY2017Q4I",
          "unit": "CNY"
        },
        {
          "end": "2025-12-31",
          "val": 1970415000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025Q4I",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 2518456000,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 2285669000,
          "accn": "0001193125-24-115459",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 2295075000,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 2842048000,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 3558706000,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 3229577000,
          "accn": "0001193125-20-123373",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-28",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 2758423000,
          "accn": "0001193125-19-120962",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-26",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 1301997000,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 769738000,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 542157000,
          "accn": "0001193125-17-138056",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-04-26",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 478504000,
          "accn": "0001193125-16-554145",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-25",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 63025000,
          "accn": "0001193125-15-178168",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2015-05-08",
          "frame": "CY2013Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Liabilities",
      "taxonomy": "us-gaap",
      "label": "Total liabilities",
      "kind": "instant",
      "meaning": "Recognized obligations at the reporting date. The definition and scope differ from interest-bearing debt.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 2694511000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025Q4I",
          "unit": "CNY"
        },
        {
          "end": "2024-12-31",
          "val": 6950297000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2024Q4I",
          "unit": "CNY"
        },
        {
          "end": "2023-12-31",
          "val": 4241219000,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2023Q4I",
          "unit": "CNY"
        },
        {
          "end": "2022-12-31",
          "val": 4898949000,
          "accn": "0001193125-24-115459",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-26",
          "frame": "CY2022Q4I",
          "unit": "CNY"
        },
        {
          "end": "2021-12-31",
          "val": 7525641000,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2021Q4I",
          "unit": "CNY"
        },
        {
          "end": "2020-12-31",
          "val": 8385227000,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2020Q4I",
          "unit": "CNY"
        },
        {
          "end": "2019-12-31",
          "val": 8764899000,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2019Q4I",
          "unit": "CNY"
        },
        {
          "end": "2018-12-31",
          "val": 7942679000,
          "accn": "0001193125-20-123373",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-28",
          "frame": "CY2018Q4I",
          "unit": "CNY"
        },
        {
          "end": "2017-12-31",
          "val": 1719088000,
          "accn": "0001193125-19-120962",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-26",
          "frame": "CY2017Q4I",
          "unit": "CNY"
        },
        {
          "end": "2025-12-31",
          "val": 385311000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025Q4I",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 952186000,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 597365000,
          "accn": "0001193125-24-115459",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 710281000,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 1180937000,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 1285092000,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 1258997000,
          "accn": "0001193125-20-123373",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-28",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 1155214000,
          "accn": "0001193125-19-120962",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-26",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 264217000,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 135719000,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 73771000,
          "accn": "0001193125-17-138056",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-04-26",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 38113000,
          "accn": "0001193125-16-554145",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-25",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 5566000,
          "accn": "0001193125-15-178168",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2015-05-08",
          "frame": "CY2013Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "StockholdersEquity",
      "taxonomy": "us-gaap",
      "label": "Stockholders equity",
      "kind": "instant",
      "meaning": "The reported residual interest after liabilities. It is an accounting amount, not market capitalization.",
      "observations": [
        {
          "end": "2017-12-31",
          "val": 1037780000,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 634019000,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 468386000,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 440391000,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": -22860000,
          "accn": "0001193125-17-138056",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-04-26",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": -6558000,
          "accn": "0001193125-16-554145",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-25",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": -200000,
          "accn": "0001193125-15-178168",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2015-05-08",
          "frame": "CY2011Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "CashAndCashEquivalentsAtCarryingValue",
      "taxonomy": "us-gaap",
      "label": "Cash and cash equivalents",
      "kind": "instant",
      "meaning": "Cash and qualifying short-term liquid investments under the filer’s accounting policy. Restricted cash and longer-term investments may be reported separately.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 5320022000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025Q4I",
          "unit": "CNY"
        },
        {
          "end": "2024-12-31",
          "val": 4122659000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2024Q4I",
          "unit": "CNY"
        },
        {
          "end": "2023-12-31",
          "val": 5620466000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2023Q4I",
          "unit": "CNY"
        },
        {
          "end": "2022-12-31",
          "val": 5018129000,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2022Q4I",
          "unit": "CNY"
        },
        {
          "end": "2021-12-31",
          "val": 5570563000,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2021Q4I",
          "unit": "CNY"
        },
        {
          "end": "2020-12-31",
          "val": 3363942000,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2020Q4I",
          "unit": "CNY"
        },
        {
          "end": "2019-12-31",
          "val": 2612743000,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2019Q4I",
          "unit": "CNY"
        },
        {
          "end": "2018-12-31",
          "val": 2468034000,
          "accn": "0001193125-20-123373",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-28",
          "frame": "CY2018Q4I",
          "unit": "CNY"
        },
        {
          "end": "2017-12-31",
          "val": 4462194000,
          "accn": "0001193125-19-120962",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-26",
          "frame": "CY2017Q4I",
          "unit": "CNY"
        },
        {
          "end": "2025-12-31",
          "val": 760753000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025Q4I",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 564802000,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 791626000,
          "accn": "0001193125-24-115459",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 727560000,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 874143000,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 515547000,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 375297000,
          "accn": "0001193125-20-123373",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-28",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 358961000,
          "accn": "0001193125-19-120962",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-26",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 685827000,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 257564000,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 169469000,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 450968000,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 55374000,
          "accn": "0001193125-17-138056",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-04-26",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 18539000,
          "accn": "0001193125-16-554145",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-25",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 1118000,
          "accn": "0001193125-15-178168",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2015-05-08",
          "frame": "CY2011Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetIncomeLoss",
      "taxonomy": "us-gaap",
      "label": "Net income or loss",
      "kind": "duration",
      "meaning": "Reported profit or loss for the period. Check the filing for attribution, exceptional items and discontinued operations before comparing companies.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 804013000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025",
          "unit": "CNY"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 1039573000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2024",
          "unit": "CNY"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 1957581000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2023",
          "unit": "CNY"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 1484283000,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2022",
          "unit": "CNY"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -2913708000,
          "accn": "0001193125-24-115459",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-26",
          "frame": "CY2021",
          "unit": "CNY"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 2103484000,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2020",
          "unit": "CNY"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 2970890000,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2019",
          "unit": "CNY"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 2815775000,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2018",
          "unit": "CNY"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 2148098000,
          "accn": "0001193125-20-123373",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-28",
          "frame": "CY2017",
          "unit": "CNY"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 978969000,
          "accn": "0001193125-19-120962",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-26",
          "frame": "CY2016",
          "unit": "CNY"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 409537000,
          "accn": "0001193125-19-120962",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-26",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 318566000,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 145250000,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 13697000,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -25415000,
          "accn": "0001193125-17-138056",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-04-26",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -9326000,
          "accn": "0001193125-16-554145",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-25",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -3839000,
          "accn": "0001193125-15-178168",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2015-05-08",
          "frame": "CY2012",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInOperatingActivities",
      "taxonomy": "us-gaap",
      "label": "Operating cash flow",
      "kind": "duration",
      "meaning": "Cash generated or used by operating activities. Working-capital timing can make this differ substantially from reported income.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 1183109000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025",
          "unit": "CNY"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 1639994000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2024",
          "unit": "CNY"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 2277161000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2023",
          "unit": "CNY"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 1226891000,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2022",
          "unit": "CNY"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 1559198000,
          "accn": "0001193125-24-115459",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-26",
          "frame": "CY2021",
          "unit": "CNY"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 3080889000,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2020",
          "unit": "CNY"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 5448886000,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2019",
          "unit": "CNY"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 3327718000,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2018",
          "unit": "CNY"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 2886107000,
          "accn": "0001193125-20-123373",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-28",
          "frame": "CY2017",
          "unit": "CNY"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 1466290000,
          "accn": "0001193125-19-120962",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-26",
          "frame": "CY2016",
          "unit": "CNY"
        },
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 169187000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 224678000,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 320729000,
          "accn": "0001193125-24-115459",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-26",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 177882000,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 244671000,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 472168000,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 782686000,
          "accn": "0001193125-20-123373",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 483997000,
          "accn": "0001193125-19-120962",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-26",
          "frame": "CY2018",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PaymentsToAcquirePropertyPlantAndEquipment",
      "taxonomy": "us-gaap",
      "label": "Capital expenditure payments",
      "kind": "duration",
      "meaning": "Cash payments to acquire property, plant and equipment. This taxonomy concept does not capture every form of investment or acquisition.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 492517000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025",
          "unit": "CNY"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 285541000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2024",
          "unit": "CNY"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 576310000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2023",
          "unit": "CNY"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 80445000,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2022",
          "unit": "CNY"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 95323000,
          "accn": "0001193125-24-115459",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-26",
          "frame": "CY2021",
          "unit": "CNY"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 124143000,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2020",
          "unit": "CNY"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 186522000,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2019",
          "unit": "CNY"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 242843000,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2018",
          "unit": "CNY"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 218627000,
          "accn": "0001193125-20-123373",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-28",
          "frame": "CY2017",
          "unit": "CNY"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 46839000,
          "accn": "0001193125-19-120962",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-26",
          "frame": "CY2016",
          "unit": "CNY"
        },
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 70429000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 39119000,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 81172000,
          "accn": "0001193125-24-115459",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-26",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 11663000,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 14958000,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 19026000,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 26792000,
          "accn": "0001193125-20-123373",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 35320000,
          "accn": "0001193125-19-120962",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-26",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 32314000,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 7026000,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 13521000,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 8740000,
          "accn": "0001193125-17-138056",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-04-26",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 3181000,
          "accn": "0001193125-16-554145",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-25",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 1041000,
          "accn": "0001193125-15-178168",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2015-05-08",
          "frame": "CY2012",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Revenues",
      "taxonomy": "us-gaap",
      "label": "Revenue",
      "kind": "duration",
      "meaning": "Revenue under this specific accounting concept. A missing value is not zero; filers can use other revenue concepts.",
      "observations": [
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 1318271000,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 553098000,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 133988000,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 44755000,
          "accn": "0001193125-17-138056",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-04-26",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 3129000,
          "accn": "0001193125-16-554145",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-25",
          "frame": "CY2013",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "RevenueFromContractWithCustomerExcludingAssessedTax",
      "taxonomy": "us-gaap",
      "label": "Contract revenue excluding tax",
      "kind": "duration",
      "meaning": "Revenue from customer contracts excluding assessed taxes under this specific taxonomy concept. It is not automatically comparable to older revenue tags.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 10367096000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025",
          "unit": "CNY"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 10562971000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2024",
          "unit": "CNY"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 12002323000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2023",
          "unit": "CNY"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 12704172000,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2022",
          "unit": "CNY"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 14575719000,
          "accn": "0001193125-24-115459",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-26",
          "frame": "CY2021",
          "unit": "CNY"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 15024188000,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2020",
          "unit": "CNY"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 17015089000,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2019",
          "unit": "CNY"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 13408421000,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2018",
          "unit": "CNY"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 8886390000,
          "accn": "0001193125-20-123373",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-28",
          "frame": "CY2017",
          "unit": "CNY"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 3707358000,
          "accn": "0001193125-19-120962",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-26",
          "frame": "CY2016",
          "unit": "CNY"
        },
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 1482475000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 1447121000,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 1690492000,
          "accn": "0001193125-24-115459",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-26",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 1841932000,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 2287248000,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 2302558000,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 2444065000,
          "accn": "0001193125-20-123373",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 1950174000,
          "accn": "0001193125-19-120962",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-26",
          "frame": "CY2018",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInFinancingActivities",
      "taxonomy": "us-gaap",
      "label": "Financing cash flow",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net cash from financing activities, including borrowing, repayments and transactions with owners. A positive amount does not establish operating profitability.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": -5439170000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025",
          "unit": "CNY"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 236197000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2024",
          "unit": "CNY"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -1699907000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2023",
          "unit": "CNY"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -3432559000,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2022",
          "unit": "CNY"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -1786909000,
          "accn": "0001193125-24-115459",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-26",
          "frame": "CY2021",
          "unit": "CNY"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -1498150000,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2020",
          "unit": "CNY"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -1273780000,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2019",
          "unit": "CNY"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 4687951000,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2018",
          "unit": "CNY"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 2833000,
          "accn": "0001193125-20-123373",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-28",
          "frame": "CY2017",
          "unit": "CNY"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 124000,
          "accn": "0001193125-19-120962",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-26",
          "frame": "CY2016",
          "unit": "CNY"
        },
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": -777791000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 32359000,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -239426000,
          "accn": "0001193125-24-115459",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-26",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -497674000,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -280404000,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -229601000,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -182967000,
          "accn": "0001193125-20-123373",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 681835000,
          "accn": "0001193125-19-120962",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-26",
          "frame": "CY2018",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInInvestingActivities",
      "taxonomy": "us-gaap",
      "label": "Investing cash flow",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net cash from investing activities, including asset purchases, disposals and investment transactions. This differs from capital expenditure payments alone.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 164470000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025",
          "unit": "CNY"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -558887000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2024",
          "unit": "CNY"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 2413069000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2023",
          "unit": "CNY"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 1715845000,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2022",
          "unit": "CNY"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 2550342000,
          "accn": "0001193125-24-115459",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-26",
          "frame": "CY2021",
          "unit": "CNY"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -748466000,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2020",
          "unit": "CNY"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -4029919000,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2019",
          "unit": "CNY"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -10034004000,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2018",
          "unit": "CNY"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -188174000,
          "accn": "0001193125-20-123373",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-28",
          "frame": "CY2017",
          "unit": "CNY"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -800919000,
          "accn": "0001193125-19-120962",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-26",
          "frame": "CY2016",
          "unit": "CNY"
        },
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 23521000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -76568000,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 339873000,
          "accn": "0001193125-24-115459",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-26",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 248774000,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 400204000,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -114707000,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -578861000,
          "accn": "0001193125-20-123373",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -1459385000,
          "accn": "0001193125-19-120962",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-26",
          "frame": "CY2018",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "RetainedEarningsAccumulatedDeficit",
      "taxonomy": "us-gaap",
      "label": "Retained earnings or deficit",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Accumulated undistributed earnings or deficit at the reporting date. This balance is not cash available for distribution.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 7101552000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025Q4I",
          "unit": "CNY"
        },
        {
          "end": "2024-12-31",
          "val": 6643721000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2024Q4I",
          "unit": "CNY"
        },
        {
          "end": "2023-12-31",
          "val": 6320450000,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2023Q4I",
          "unit": "CNY"
        },
        {
          "end": "2022-12-31",
          "val": 5320921000,
          "accn": "0001193125-24-115459",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-26",
          "frame": "CY2022Q4I",
          "unit": "CNY"
        },
        {
          "end": "2021-12-31",
          "val": 4677635000,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2021Q4I",
          "unit": "CNY"
        },
        {
          "end": "2020-12-31",
          "val": 8444086000,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2020Q4I",
          "unit": "CNY"
        },
        {
          "end": "2019-12-31",
          "val": 7464585000,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2019Q4I",
          "unit": "CNY"
        },
        {
          "end": "2018-12-31",
          "val": 5361154000,
          "accn": "0001193125-20-123373",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-28",
          "frame": "CY2018Q4I",
          "unit": "CNY"
        },
        {
          "end": "2017-12-31",
          "val": 2545379000,
          "accn": "0001193125-19-120962",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-26",
          "frame": "CY2017Q4I",
          "unit": "CNY"
        },
        {
          "end": "2025-12-31",
          "val": 1015508000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025Q4I",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 910186000,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 890217000,
          "accn": "0001193125-24-115459",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 771461000,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 734023000,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 1294113000,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 1072222000,
          "accn": "0001193125-20-123373",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-28",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 779749000,
          "accn": "0001193125-19-120962",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-26",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 369707000,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 51141000,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": -94109000,
          "accn": "0001193125-17-138056",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-04-26",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": -107806000,
          "accn": "0001193125-16-554145",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-25",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": -24728000,
          "accn": "0001193125-15-178168",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2015-05-08",
          "frame": "CY2013Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "WeightedAverageNumberOfSharesOutstandingBasic",
      "taxonomy": "us-gaap",
      "label": "Basic weighted-average shares",
      "kind": "duration",
      "unitKind": "shares",
      "meaning": "Time-weighted shares used for basic earnings per share. This denominator differs from shares outstanding at a single reporting date.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 332356281,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025",
          "unit": "shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 369312997,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2024",
          "unit": "shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 377639399,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2023",
          "unit": "shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 390176367,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2022",
          "unit": "shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 404701910,
          "accn": "0001193125-24-115459",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-26",
          "frame": "CY2021",
          "unit": "shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 416914898,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2020",
          "unit": "shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 415316627,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2019",
          "unit": "shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 407009875,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2018",
          "unit": "shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 394549323,
          "accn": "0001193125-20-123373",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-28",
          "frame": "CY2017",
          "unit": "shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 377335923,
          "accn": "0001193125-19-120962",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-26",
          "frame": "CY2016",
          "unit": "shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 342646282,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2015",
          "unit": "shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 85293775,
          "accn": "0001193125-17-138056",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-04-26",
          "frame": "CY2014",
          "unit": "shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 67190411,
          "accn": "0001193125-16-554145",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-25",
          "frame": "CY2013",
          "unit": "shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 60103654,
          "accn": "0001193125-15-178168",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2015-05-08",
          "frame": "CY2012",
          "unit": "shares"
        }
      ]
    },
    {
      "tag": "WeightedAverageNumberOfDilutedSharesOutstanding",
      "taxonomy": "us-gaap",
      "label": "Diluted weighted-average shares",
      "kind": "duration",
      "unitKind": "shares",
      "meaning": "Weighted-average shares used for diluted earnings per share. Potential shares are included under the applicable dilution rules, not simply added to outstanding shares.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 338597079,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025",
          "unit": "shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 373591974,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2024",
          "unit": "shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 401833328,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2023",
          "unit": "shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 423810279,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2022",
          "unit": "shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 404701910,
          "accn": "0001193125-24-115459",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-26",
          "frame": "CY2021",
          "unit": "shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 452081642,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2020",
          "unit": "shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 451206091,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2019",
          "unit": "shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 433083643,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2018",
          "unit": "shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 415265078,
          "accn": "0001193125-20-123373",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-28",
          "frame": "CY2017",
          "unit": "shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 407041165,
          "accn": "0001193125-19-120962",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-26",
          "frame": "CY2016",
          "unit": "shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 401396548,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2015",
          "unit": "shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 85293775,
          "accn": "0001193125-17-138056",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-04-26",
          "frame": "CY2014",
          "unit": "shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 67190411,
          "accn": "0001193125-16-554145",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-25",
          "frame": "CY2013",
          "unit": "shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 60103654,
          "accn": "0001193125-15-178168",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2015-05-08",
          "frame": "CY2012",
          "unit": "shares"
        }
      ]
    },
    {
      "tag": "EarningsPerShareBasic",
      "taxonomy": "us-gaap",
      "label": "Basic earnings per share",
      "kind": "duration",
      "unitKind": "per-share",
      "meaning": "Reported earnings or loss per basic common share or unit. Inspect attribution, share classes and restatements before comparing periods. This is not a market return.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 2.42,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025",
          "unit": "CNY/shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 2.81,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2024",
          "unit": "CNY/shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 5.18,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2023",
          "unit": "CNY/shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 3.8,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2022",
          "unit": "CNY/shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -7.2,
          "accn": "0001193125-24-115459",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-26",
          "frame": "CY2021",
          "unit": "CNY/shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 5.05,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2020",
          "unit": "CNY/shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 7.15,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2019",
          "unit": "CNY/shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 6.92,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2018",
          "unit": "CNY/shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 5.44,
          "accn": "0001193125-20-123373",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-28",
          "frame": "CY2017",
          "unit": "CNY/shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 2.54,
          "accn": "0001193125-19-120962",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-26",
          "frame": "CY2016",
          "unit": "CNY/shares"
        },
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 0.35,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025",
          "unit": "USD/shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 0.39,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2024",
          "unit": "USD/shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 0.73,
          "accn": "0001193125-24-115459",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-26",
          "frame": "CY2023",
          "unit": "USD/shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 0.55,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2022",
          "unit": "USD/shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -1.13,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021",
          "unit": "USD/shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 0.77,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2020",
          "unit": "USD/shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 1.03,
          "accn": "0001193125-20-123373",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-28",
          "frame": "CY2019",
          "unit": "USD/shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 1.01,
          "accn": "0001193125-19-120962",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-26",
          "frame": "CY2018",
          "unit": "USD/shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 0.81,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2017",
          "unit": "USD/shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 0.38,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2016",
          "unit": "USD/shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 0.04,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2015",
          "unit": "USD/shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -0.97,
          "accn": "0001193125-17-138056",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-04-26",
          "frame": "CY2014",
          "unit": "USD/shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -0.26,
          "accn": "0001193125-16-554145",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-25",
          "frame": "CY2013",
          "unit": "USD/shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -0.12,
          "accn": "0001193125-15-178168",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2015-05-08",
          "frame": "CY2012",
          "unit": "USD/shares"
        }
      ]
    },
    {
      "tag": "EarningsPerShareDiluted",
      "taxonomy": "us-gaap",
      "label": "Diluted earnings per share",
      "kind": "duration",
      "unitKind": "per-share",
      "meaning": "Reported earnings or loss per share under dilution rules. Antidilutive instruments may be excluded. A diluted value can equal the basic value without implying no potential dilution.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 2.37,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025",
          "unit": "CNY/shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 2.78,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2024",
          "unit": "CNY/shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 4.92,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2023",
          "unit": "CNY/shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 3.65,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2022",
          "unit": "CNY/shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -7.2,
          "accn": "0001193125-24-115459",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-26",
          "frame": "CY2021",
          "unit": "CNY/shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 4.83,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2020",
          "unit": "CNY/shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 6.76,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2019",
          "unit": "CNY/shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 6.59,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2018",
          "unit": "CNY/shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 5.17,
          "accn": "0001193125-20-123373",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-28",
          "frame": "CY2017",
          "unit": "CNY/shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 2.41,
          "accn": "0001193125-19-120962",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-26",
          "frame": "CY2016",
          "unit": "CNY/shares"
        },
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 0.34,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025",
          "unit": "USD/shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 0.38,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2024",
          "unit": "USD/shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 0.69,
          "accn": "0001193125-24-115459",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-26",
          "frame": "CY2023",
          "unit": "USD/shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 0.53,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2022",
          "unit": "USD/shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -1.13,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021",
          "unit": "USD/shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 0.74,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2020",
          "unit": "USD/shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 0.97,
          "accn": "0001193125-20-123373",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-28",
          "frame": "CY2019",
          "unit": "USD/shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 0.96,
          "accn": "0001193125-19-120962",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-26",
          "frame": "CY2018",
          "unit": "USD/shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 0.77,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2017",
          "unit": "USD/shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 0.36,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2016",
          "unit": "USD/shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 0.03,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2015",
          "unit": "USD/shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -0.97,
          "accn": "0001193125-17-138056",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-04-26",
          "frame": "CY2014",
          "unit": "USD/shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -0.26,
          "accn": "0001193125-16-554145",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-25",
          "frame": "CY2013",
          "unit": "USD/shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -0.12,
          "accn": "0001193125-15-178168",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2015-05-08",
          "frame": "CY2012",
          "unit": "USD/shares"
        }
      ]
    },
    {
      "tag": "IncomeTaxExpenseBenefit",
      "taxonomy": "us-gaap",
      "label": "Income tax expense or benefit",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Current and deferred income tax expense or benefit for continuing operations. This accounting expense differs from cash taxes paid.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 842869000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025",
          "unit": "CNY"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 845022000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2024",
          "unit": "CNY"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 630023000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2023",
          "unit": "CNY"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 562281000,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2022",
          "unit": "CNY"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 822556000,
          "accn": "0001193125-24-115459",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-26",
          "frame": "CY2021",
          "unit": "CNY"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 755620000,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2020",
          "unit": "CNY"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 883801000,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2019",
          "unit": "CNY"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 699648000,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2018",
          "unit": "CNY"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 445001000,
          "accn": "0001193125-20-123373",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-28",
          "frame": "CY2017",
          "unit": "CNY"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 34638000,
          "accn": "0001193125-19-120962",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-26",
          "frame": "CY2016",
          "unit": "CNY"
        },
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 120529000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 115768000,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 88737000,
          "accn": "0001193125-24-115459",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-26",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 81523000,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 129077000,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 115804000,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 126950000,
          "accn": "0001193125-20-123373",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 101760000,
          "accn": "0001193125-19-120962",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-26",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 65980000,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 5136000,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 92000,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 0,
          "accn": "0001193125-17-138056",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-04-26",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 0,
          "accn": "0001193125-16-554145",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-25",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 0,
          "accn": "0001193125-15-178168",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2015-05-08",
          "frame": "CY2012",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PropertyPlantAndEquipmentNet",
      "taxonomy": "us-gaap",
      "label": "Net property, plant and equipment",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Carrying amount of property, plant and equipment after accumulated depreciation, depletion and amortization. It is not replacement cost or market value.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 1420030000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025Q4I",
          "unit": "CNY"
        },
        {
          "end": "2024-12-31",
          "val": 897036000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2024Q4I",
          "unit": "CNY"
        },
        {
          "end": "2023-12-31",
          "val": 659033000,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2023Q4I",
          "unit": "CNY"
        },
        {
          "end": "2022-12-31",
          "val": 172984000,
          "accn": "0001193125-24-115459",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-26",
          "frame": "CY2022Q4I",
          "unit": "CNY"
        },
        {
          "end": "2021-12-31",
          "val": 180664000,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2021Q4I",
          "unit": "CNY"
        },
        {
          "end": "2020-12-31",
          "val": 265765000,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2020Q4I",
          "unit": "CNY"
        },
        {
          "end": "2019-12-31",
          "val": 346345000,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2019Q4I",
          "unit": "CNY"
        },
        {
          "end": "2018-12-31",
          "val": 387532000,
          "accn": "0001193125-20-123373",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-28",
          "frame": "CY2018Q4I",
          "unit": "CNY"
        },
        {
          "end": "2017-12-31",
          "val": 258704000,
          "accn": "0001193125-19-120962",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-26",
          "frame": "CY2017Q4I",
          "unit": "CNY"
        },
        {
          "end": "2025-12-31",
          "val": 203062000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025Q4I",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 122893000,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 92823000,
          "accn": "0001193125-24-115459",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 25080000,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 28350000,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 40730000,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 49749000,
          "accn": "0001193125-20-123373",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-28",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 56364000,
          "accn": "0001193125-19-120962",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-26",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 39762000,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 13932000,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 16259000,
          "accn": "0001193125-17-138056",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-04-26",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 9936000,
          "accn": "0001193125-16-554145",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-25",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 3363000,
          "accn": "0001193125-15-178168",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2015-05-08",
          "frame": "CY2013Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OperatingIncomeLoss",
      "taxonomy": "us-gaap",
      "label": "Operating income or loss",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Operating revenue less operating expenses for the reporting period. It excludes items outside the reported operating result and is not free cash flow.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 1354563000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025",
          "unit": "CNY"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 1532770000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2024",
          "unit": "CNY"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 2305016000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2023",
          "unit": "CNY"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 1627543000,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2022",
          "unit": "CNY"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -2389567000,
          "accn": "0001193125-24-115459",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-26",
          "frame": "CY2021",
          "unit": "CNY"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 2531435000,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2020",
          "unit": "CNY"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 3554699000,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2019",
          "unit": "CNY"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 3266292000,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2018",
          "unit": "CNY"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 2434252000,
          "accn": "0001193125-20-123373",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-28",
          "frame": "CY2017",
          "unit": "CNY"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 975093000,
          "accn": "0001193125-19-120962",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-26",
          "frame": "CY2016",
          "unit": "CNY"
        },
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 193701000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 209988000,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 324655000,
          "accn": "0001193125-24-115459",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-26",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 235971000,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -374975000,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 387961000,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 510602000,
          "accn": "0001193125-20-123373",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 475063000,
          "accn": "0001193125-19-120962",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-26",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 360866000,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 144486000,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 5614000,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -26137000,
          "accn": "0001193125-17-138056",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-04-26",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -9358000,
          "accn": "0001193125-16-554145",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-25",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -3842000,
          "accn": "0001193125-15-178168",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2015-05-08",
          "frame": "CY2012",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AssetsCurrent",
      "taxonomy": "us-gaap",
      "label": "Current assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Assets classified as current under the normal operating cycle or one-year boundary. Not all current assets can be converted immediately into cash.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 9736830000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025Q4I",
          "unit": "CNY"
        },
        {
          "end": "2024-12-31",
          "val": 12011870000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2024Q4I",
          "unit": "CNY"
        },
        {
          "end": "2023-12-31",
          "val": 7833378000,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2023Q4I",
          "unit": "CNY"
        },
        {
          "end": "2022-12-31",
          "val": 11724547000,
          "accn": "0001193125-24-115459",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-26",
          "frame": "CY2022Q4I",
          "unit": "CNY"
        },
        {
          "end": "2021-12-31",
          "val": 9410860000,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2021Q4I",
          "unit": "CNY"
        },
        {
          "end": "2020-12-31",
          "val": 11746849000,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2020Q4I",
          "unit": "CNY"
        },
        {
          "end": "2019-12-31",
          "val": 15793865000,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2019Q4I",
          "unit": "CNY"
        },
        {
          "end": "2018-12-31",
          "val": 12633229000,
          "accn": "0001193125-20-123373",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-28",
          "frame": "CY2018Q4I",
          "unit": "CNY"
        },
        {
          "end": "2017-12-31",
          "val": 7733985000,
          "accn": "0001193125-19-120962",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-26",
          "frame": "CY2017Q4I",
          "unit": "CNY"
        },
        {
          "end": "2025-12-31",
          "val": 1392348000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025Q4I",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 1645619000,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 1103308000,
          "accn": "0001193125-24-115459",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 1699900000,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 1476769000,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 1800284000,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 2268646000,
          "accn": "0001193125-20-123373",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-28",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 1837427000,
          "accn": "0001193125-19-120962",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-26",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 1188692000,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 720153000,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 503837000,
          "accn": "0001193125-17-138056",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-04-26",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 466015000,
          "accn": "0001193125-16-554145",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-25",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 58711000,
          "accn": "0001193125-15-178168",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2015-05-08",
          "frame": "CY2013Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "InterestExpense",
      "taxonomy": "us-gaap",
      "label": "Interest expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Borrowing costs recognized as interest expense. This is distinct from cash interest paid and may not include every capitalized borrowing cost.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 72438000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025",
          "unit": "CNY"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 127846000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2024",
          "unit": "CNY"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 62223000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2023",
          "unit": "CNY"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 83530000,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2022",
          "unit": "CNY"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 73776000,
          "accn": "0001193125-24-115459",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-26",
          "frame": "CY2021",
          "unit": "CNY"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 78872000,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2020",
          "unit": "CNY"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 78611000,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2019",
          "unit": "CNY"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 56503000,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2018",
          "unit": "CNY"
        },
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 10358000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 17515000,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 8764000,
          "accn": "0001193125-24-115459",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-26",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 12111000,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 11577000,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 12088000,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 11292000,
          "accn": "0001193125-20-123373",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 8218000,
          "accn": "0001193125-19-120962",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-26",
          "frame": "CY2018",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "LiabilitiesCurrent",
      "taxonomy": "us-gaap",
      "label": "Current liabilities",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Obligations classified as current under the operating-cycle or one-year boundary. The balance includes more than short-term borrowing.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 2079791000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025Q4I",
          "unit": "CNY"
        },
        {
          "end": "2024-12-31",
          "val": 6398532000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2024Q4I",
          "unit": "CNY"
        },
        {
          "end": "2023-12-31",
          "val": 2092020000,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2023Q4I",
          "unit": "CNY"
        },
        {
          "end": "2022-12-31",
          "val": 4738247000,
          "accn": "0001193125-24-115459",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-26",
          "frame": "CY2022Q4I",
          "unit": "CNY"
        },
        {
          "end": "2021-12-31",
          "val": 2515765000,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2021Q4I",
          "unit": "CNY"
        },
        {
          "end": "2020-12-31",
          "val": 2516740000,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2020Q4I",
          "unit": "CNY"
        },
        {
          "end": "2019-12-31",
          "val": 2606754000,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2019Q4I",
          "unit": "CNY"
        },
        {
          "end": "2018-12-31",
          "val": 2696276000,
          "accn": "0001193125-20-123373",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-28",
          "frame": "CY2018Q4I",
          "unit": "CNY"
        },
        {
          "end": "2017-12-31",
          "val": 1691953000,
          "accn": "0001193125-19-120962",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-26",
          "frame": "CY2017Q4I",
          "unit": "CNY"
        },
        {
          "end": "2025-12-31",
          "val": 297408000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025Q4I",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 876595000,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 294656000,
          "accn": "0001193125-24-115459",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 686982000,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 394778000,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 385707000,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 374435000,
          "accn": "0001193125-20-123373",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-28",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 392156000,
          "accn": "0001193125-19-120962",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-26",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 260046000,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 133697000,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 71945000,
          "accn": "0001193125-17-138056",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-04-26",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 38113000,
          "accn": "0001193125-16-554145",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-25",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 5566000,
          "accn": "0001193125-15-178168",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2015-05-08",
          "frame": "CY2013Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccountsPayableCurrent",
      "taxonomy": "us-gaap",
      "label": "Current accounts payable",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Current amounts owed to suppliers for goods and services received. This is one component of current liabilities, not all accrued obligations.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 584557000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025Q4I",
          "unit": "CNY"
        },
        {
          "end": "2024-12-31",
          "val": 615254000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2024Q4I",
          "unit": "CNY"
        },
        {
          "end": "2023-12-31",
          "val": 616681000,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2023Q4I",
          "unit": "CNY"
        },
        {
          "end": "2022-12-31",
          "val": 617022000,
          "accn": "0001193125-24-115459",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-26",
          "frame": "CY2022Q4I",
          "unit": "CNY"
        },
        {
          "end": "2021-12-31",
          "val": 726207000,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2021Q4I",
          "unit": "CNY"
        },
        {
          "end": "2020-12-31",
          "val": 699394000,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2020Q4I",
          "unit": "CNY"
        },
        {
          "end": "2019-12-31",
          "val": 714323000,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2019Q4I",
          "unit": "CNY"
        },
        {
          "end": "2018-12-31",
          "val": 718362000,
          "accn": "0001193125-20-123373",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-28",
          "frame": "CY2018Q4I",
          "unit": "CNY"
        },
        {
          "end": "2017-12-31",
          "val": 484945000,
          "accn": "0001193125-19-120962",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-26",
          "frame": "CY2017Q4I",
          "unit": "CNY"
        },
        {
          "end": "2025-12-31",
          "val": 83593000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025Q4I",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 84288000,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 86857000,
          "accn": "0001193125-24-115459",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 89460000,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 113957000,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 107186000,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 102604000,
          "accn": "0001193125-20-123373",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-28",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 104481000,
          "accn": "0001193125-19-120962",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-26",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 74535000,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 40457000,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 10445000,
          "accn": "0001193125-17-138056",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-04-26",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 5900000,
          "accn": "0001193125-16-554145",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-25",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 344000,
          "accn": "0001193125-15-178168",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2015-05-08",
          "frame": "CY2013Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Goodwill",
      "taxonomy": "us-gaap",
      "label": "Goodwill carrying amount",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Recognized goodwill remaining after accumulated impairment. It arises from business combinations and does not measure the current value of the company’s brand.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 596299000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025Q4I",
          "unit": "CNY"
        },
        {
          "end": "2024-12-31",
          "val": 136250000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2024Q4I",
          "unit": "CNY"
        },
        {
          "end": "2024-12-01",
          "val": 109915000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "unit": "CNY"
        },
        {
          "end": "2023-12-31",
          "val": 0,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2023Q4I",
          "unit": "CNY"
        },
        {
          "end": "2022-12-31",
          "val": 0,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2022Q4I",
          "unit": "CNY"
        },
        {
          "end": "2021-12-31",
          "val": 0,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2021Q4I",
          "unit": "CNY"
        },
        {
          "end": "2020-12-31",
          "val": 4088403000,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2020Q4I",
          "unit": "CNY"
        },
        {
          "end": "2019-12-31",
          "val": 4360610000,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2019Q4I",
          "unit": "CNY"
        },
        {
          "end": "2018-12-31",
          "val": 4306829000,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2018Q4I",
          "unit": "CNY"
        },
        {
          "end": "2017-12-31",
          "val": 22130000,
          "accn": "0001193125-20-123373",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-28",
          "frame": "CY2017Q4I",
          "unit": "CNY"
        },
        {
          "end": "2025-12-31",
          "val": 85270000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025Q4I",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 18666000,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 0,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 626575000,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 626362000,
          "accn": "0001193125-20-123373",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-28",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 626402000,
          "accn": "0001193125-19-120962",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-26",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 3401000,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2017Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "FiniteLivedIntangibleAssetsNet",
      "taxonomy": "us-gaap",
      "label": "Net finite-lived intangible assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Finite-lived intangible assets after amortization. This excludes goodwill and should not be combined with indefinite-lived intangible assets without checking scope.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 240716000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025Q4I",
          "unit": "CNY"
        },
        {
          "end": "2024-12-31",
          "val": 86661000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2024Q4I",
          "unit": "CNY"
        },
        {
          "end": "2023-12-31",
          "val": 17086000,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2023Q4I",
          "unit": "CNY"
        },
        {
          "end": "2022-12-31",
          "val": 22203000,
          "accn": "0001193125-24-115459",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-26",
          "frame": "CY2022Q4I",
          "unit": "CNY"
        },
        {
          "end": "2021-12-31",
          "val": 27320000,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2021Q4I",
          "unit": "CNY"
        },
        {
          "end": "2020-12-31",
          "val": 687211000,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2020Q4I",
          "unit": "CNY"
        },
        {
          "end": "2019-12-31",
          "val": 890303000,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2019Q4I",
          "unit": "CNY"
        },
        {
          "end": "2018-12-31",
          "val": 1036986000,
          "accn": "0001193125-20-123373",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-28",
          "frame": "CY2018Q4I",
          "unit": "CNY"
        },
        {
          "end": "2017-12-31",
          "val": 48553000,
          "accn": "0001193125-19-120962",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-26",
          "frame": "CY2017Q4I",
          "unit": "CNY"
        },
        {
          "end": "2017-12-31",
          "val": 7462000,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2017Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccountsReceivableNetCurrent",
      "taxonomy": "us-gaap",
      "label": "Net current accounts receivable",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Current customer receivables after the allowance for credit loss. The balance is not cash collected or a guarantee of collection.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 246208000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025Q4I",
          "unit": "CNY"
        },
        {
          "end": "2024-12-31",
          "val": 192317000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2024Q4I",
          "unit": "CNY"
        },
        {
          "end": "2023-12-31",
          "val": 201517000,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2023Q4I",
          "unit": "CNY"
        },
        {
          "end": "2022-12-31",
          "val": 188711000,
          "accn": "0001193125-24-115459",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-26",
          "frame": "CY2022Q4I",
          "unit": "CNY"
        },
        {
          "end": "2021-12-31",
          "val": 205225000,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2021Q4I",
          "unit": "CNY"
        },
        {
          "end": "2020-12-31",
          "val": 200831000,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2020Q4I",
          "unit": "CNY"
        },
        {
          "end": "2019-12-31",
          "val": 265155000,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2019Q4I",
          "unit": "CNY"
        },
        {
          "end": "2018-12-31",
          "val": 719606000,
          "accn": "0001193125-20-123373",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-28",
          "frame": "CY2018Q4I",
          "unit": "CNY"
        },
        {
          "end": "2017-12-31",
          "val": 257633000,
          "accn": "0001193125-19-120962",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-26",
          "frame": "CY2017Q4I",
          "unit": "CNY"
        },
        {
          "end": "2025-12-31",
          "val": 35207000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025Q4I",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 26347000,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 28383000,
          "accn": "0001193125-24-115459",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 27361000,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 32204000,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 30779000,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 38087000,
          "accn": "0001193125-20-123373",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-28",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 104662000,
          "accn": "0001193125-19-120962",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-26",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 39597000,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 36078000,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 14896000,
          "accn": "0001193125-17-138056",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-04-26",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 7038000,
          "accn": "0001193125-16-554145",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-25",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 1935000,
          "accn": "0001193125-15-178168",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2015-05-08",
          "frame": "CY2013Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PaymentsForRepurchaseOfCommonStock",
      "taxonomy": "us-gaap",
      "label": "Common-stock repurchase payments",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Cash paid to reacquire common stock during the period. This is not an authorization limit or a direct measure of the net change in share count.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 749983000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025",
          "unit": "CNY"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 1197439000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2024",
          "unit": "CNY"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 212195000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2023",
          "unit": "CNY"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 392374000,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2022",
          "unit": "CNY"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 862865000,
          "accn": "0001193125-24-115459",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-26",
          "frame": "CY2021",
          "unit": "CNY"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 330207000,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2020",
          "unit": "CNY"
        },
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 107246000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 164048000,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 29887000,
          "accn": "0001193125-24-115459",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-26",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 56889000,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 135402000,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 50606000,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 58044000,
          "accn": "0001193125-17-138056",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-04-26",
          "frame": "CY2014",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "CostOfRevenue",
      "taxonomy": "us-gaap",
      "label": "Cost of revenue",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Costs attributed to goods produced and sold and services provided during the period. This is not the sum of every operating expense.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 6446619000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025",
          "unit": "CNY"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 6447341000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2024",
          "unit": "CNY"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 7025394000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2023",
          "unit": "CNY"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 7421419000,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2022",
          "unit": "CNY"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 8383431000,
          "accn": "0001193125-24-115459",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-26",
          "frame": "CY2021",
          "unit": "CNY"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 7976781000,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2020",
          "unit": "CNY"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 8492096000,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2019",
          "unit": "CNY"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 7182897000,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2018",
          "unit": "CNY"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 4373377000,
          "accn": "0001193125-20-123373",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-28",
          "frame": "CY2017",
          "unit": "CNY"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 1619327000,
          "accn": "0001193125-19-120962",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-26",
          "frame": "CY2016",
          "unit": "CNY"
        },
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 921854000,
          "accn": "0001193125-26-183444",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-28",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 883282000,
          "accn": "0001193125-25-098265",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-28",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 989506000,
          "accn": "0001193125-24-115459",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-26",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 1076005000,
          "accn": "0001193125-23-113913",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-04-25",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 1315543000,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 1222495000,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 1219813000,
          "accn": "0001193125-20-123373",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-28",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 1044709000,
          "accn": "0001193125-19-120962",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-26",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 649275000,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 241463000,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 30312000,
          "accn": "0001193125-18-133102",
          "fy": 2017,
          "fp": "FY",
          "form": "20-F",
          "filed": "2018-04-26",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 15762000,
          "accn": "0001193125-17-138056",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-04-26",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 2927000,
          "accn": "0001193125-16-554145",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-25",
          "frame": "CY2013",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ResearchAndDevelopmentExpense",
      "taxonomy": "us-gaap",
      "label": "Research and development expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Research and development costs recognized as expense. Capitalization policies and acquired projects can make this differ from total cash invested in development.",
      "observations": [
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 1131781000,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021",
          "unit": "CNY"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 1167677000,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2020",
          "unit": "CNY"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 1095031000,
          "accn": "0001193125-22-121910",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2019",
          "unit": "CNY"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 760644000,
          "accn": "0001193125-21-132517",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-27",
          "frame": "CY2018",
          "unit": "CNY"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 346144000,
          "accn": "0001193125-20-123373",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-28",
          "frame": "CY2017",
          "unit": "CNY"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 208647000,
          "accn": "0001193125-19-120962",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-26",
          "frame": "CY2016",
          "unit": "CNY"
        }
      ]
    }
  ],
  "source_snapshot": "/company-data/sources/b31bcd78033a56b1f5a03a8835b428d201f543288880ce6538697e5dd2f193d7.json.gz"
}
