{
 "company": "eqt-corporation",
 "snapshot": "FY2026Q3_0d8b605b",
 "documents": {
  "10-K:0000033213-21-000006": {
   "kind": "filing",
   "form": "10-K",
   "accession": "0000033213-21-000006",
   "report_date": "2020-12-31",
   "filed": "2021-02-17",
   "fiscal_period": "FY2020 FY",
   "url": "https://www.sec.gov/Archives/edgar/data/33213/000003321321000006/eqt-20201231.htm",
   "index_url": "https://www.sec.gov/Archives/edgar/data/33213/000003321321000006/"
  },
  "10-K:0000033213-22-000007": {
   "kind": "filing",
   "form": "10-K",
   "accession": "0000033213-22-000007",
   "report_date": "2021-12-31",
   "filed": "2022-02-10",
   "fiscal_period": "FY2021 FY",
   "url": "https://www.sec.gov/Archives/edgar/data/33213/000003321322000007/eqt-20211231.htm",
   "index_url": "https://www.sec.gov/Archives/edgar/data/33213/000003321322000007/"
  },
  "10-K:0000033213-23-000008": {
   "kind": "filing",
   "form": "10-K",
   "accession": "0000033213-23-000008",
   "report_date": "2022-12-31",
   "filed": "2023-02-16",
   "fiscal_period": "FY2022 FY",
   "url": "https://www.sec.gov/Archives/edgar/data/33213/000003321323000008/eqt-20221231.htm",
   "index_url": "https://www.sec.gov/Archives/edgar/data/33213/000003321323000008/"
  },
  "10-K:0000033213-24-000008": {
   "kind": "filing",
   "form": "10-K",
   "accession": "0000033213-24-000008",
   "report_date": "2023-12-31",
   "filed": "2024-02-14",
   "fiscal_period": "FY2023 FY",
   "url": "https://www.sec.gov/Archives/edgar/data/33213/000003321324000008/eqt-20231231.htm",
   "index_url": "https://www.sec.gov/Archives/edgar/data/33213/000003321324000008/"
  },
  "10-K:0000033213-25-000011": {
   "kind": "filing",
   "form": "10-K",
   "accession": "0000033213-25-000011",
   "report_date": "2024-12-31",
   "filed": "2025-02-19",
   "fiscal_period": "FY2024 FY",
   "url": "https://www.sec.gov/Archives/edgar/data/33213/000003321325000011/eqt-20241231.htm",
   "index_url": "https://www.sec.gov/Archives/edgar/data/33213/000003321325000011/"
  },
  "10-K:0000033213-26-000018": {
   "kind": "filing",
   "form": "10-K",
   "accession": "0000033213-26-000018",
   "report_date": "2025-12-31",
   "filed": "2026-02-18",
   "fiscal_period": "FY2025 FY",
   "url": "https://www.sec.gov/Archives/edgar/data/33213/000003321326000018/eqt-20251231.htm",
   "index_url": "https://www.sec.gov/Archives/edgar/data/33213/000003321326000018/"
  },
  "10-Q:0000033213-20-000016": {
   "kind": "filing",
   "form": "10-Q",
   "accession": "0000033213-20-000016",
   "report_date": "2020-03-31",
   "filed": "2020-05-07",
   "fiscal_period": "FY2020 Q1",
   "url": "https://www.sec.gov/Archives/edgar/data/33213/000003321320000016/eqt-20200331.htm",
   "index_url": "https://www.sec.gov/Archives/edgar/data/33213/000003321320000016/"
  },
  "10-Q:0000033213-20-000025": {
   "kind": "filing",
   "form": "10-Q",
   "accession": "0000033213-20-000025",
   "report_date": "2020-06-30",
   "filed": "2020-07-27",
   "fiscal_period": "FY2020 Q2",
   "url": "https://www.sec.gov/Archives/edgar/data/33213/000003321320000025/eqt-20200630.htm",
   "index_url": "https://www.sec.gov/Archives/edgar/data/33213/000003321320000025/"
  },
  "10-Q:0000033213-20-000032": {
   "kind": "filing",
   "form": "10-Q",
   "accession": "0000033213-20-000032",
   "report_date": "2020-09-30",
   "filed": "2020-10-22",
   "fiscal_period": "FY2020 Q3",
   "url": "https://www.sec.gov/Archives/edgar/data/33213/000003321320000032/eqt-20200930.htm",
   "index_url": "https://www.sec.gov/Archives/edgar/data/33213/000003321320000032/"
  },
  "10-Q:0000033213-21-000012": {
   "kind": "filing",
   "form": "10-Q",
   "accession": "0000033213-21-000012",
   "report_date": "2021-03-31",
   "filed": "2021-05-06",
   "fiscal_period": "FY2021 Q1",
   "url": "https://www.sec.gov/Archives/edgar/data/33213/000003321321000012/eqt-20210331.htm",
   "index_url": "https://www.sec.gov/Archives/edgar/data/33213/000003321321000012/"
  },
  "10-Q:0000033213-21-000020": {
   "kind": "filing",
   "form": "10-Q",
   "accession": "0000033213-21-000020",
   "report_date": "2021-06-30",
   "filed": "2021-07-29",
   "fiscal_period": "FY2021 Q2",
   "url": "https://www.sec.gov/Archives/edgar/data/33213/000003321321000020/eqt-20210630.htm",
   "index_url": "https://www.sec.gov/Archives/edgar/data/33213/000003321321000020/"
  },
  "10-Q:0000033213-21-000026": {
   "kind": "filing",
   "form": "10-Q",
   "accession": "0000033213-21-000026",
   "report_date": "2021-09-30",
   "filed": "2021-10-28",
   "fiscal_period": "FY2021 Q3",
   "url": "https://www.sec.gov/Archives/edgar/data/33213/000003321321000026/eqt-20210930.htm",
   "index_url": "https://www.sec.gov/Archives/edgar/data/33213/000003321321000026/"
  },
  "10-Q:0000033213-22-000014": {
   "kind": "filing",
   "form": "10-Q",
   "accession": "0000033213-22-000014",
   "report_date": "2022-03-31",
   "filed": "2022-04-28",
   "fiscal_period": "FY2022 Q1",
   "url": "https://www.sec.gov/Archives/edgar/data/33213/000003321322000014/eqt-20220331.htm",
   "index_url": "https://www.sec.gov/Archives/edgar/data/33213/000003321322000014/"
  },
  "10-Q:0000033213-22-000022": {
   "kind": "filing",
   "form": "10-Q",
   "accession": "0000033213-22-000022",
   "report_date": "2022-06-30",
   "filed": "2022-07-28",
   "fiscal_period": "FY2022 Q2",
   "url": "https://www.sec.gov/Archives/edgar/data/33213/000003321322000022/eqt-20220630.htm",
   "index_url": "https://www.sec.gov/Archives/edgar/data/33213/000003321322000022/"
  },
  "10-Q:0000033213-22-000028": {
   "kind": "filing",
   "form": "10-Q",
   "accession": "0000033213-22-000028",
   "report_date": "2022-09-30",
   "filed": "2022-10-27",
   "fiscal_period": "FY2022 Q3",
   "url": "https://www.sec.gov/Archives/edgar/data/33213/000003321322000028/eqt-20220930.htm",
   "index_url": "https://www.sec.gov/Archives/edgar/data/33213/000003321322000028/"
  },
  "10-Q:0000033213-23-000017": {
   "kind": "filing",
   "form": "10-Q",
   "accession": "0000033213-23-000017",
   "report_date": "2023-03-31",
   "filed": "2023-04-27",
   "fiscal_period": "FY2023 Q1",
   "url": "https://www.sec.gov/Archives/edgar/data/33213/000003321323000017/eqt-20230331.htm",
   "index_url": "https://www.sec.gov/Archives/edgar/data/33213/000003321323000017/"
  },
  "10-Q:0000033213-23-000028": {
   "kind": "filing",
   "form": "10-Q",
   "accession": "0000033213-23-000028",
   "report_date": "2023-06-30",
   "filed": "2023-07-26",
   "fiscal_period": "FY2023 Q2",
   "url": "https://www.sec.gov/Archives/edgar/data/33213/000003321323000028/eqt-20230630.htm",
   "index_url": "https://www.sec.gov/Archives/edgar/data/33213/000003321323000028/"
  },
  "10-Q:0000033213-23-000041": {
   "kind": "filing",
   "form": "10-Q",
   "accession": "0000033213-23-000041",
   "report_date": "2023-09-30",
   "filed": "2023-10-26",
   "fiscal_period": "FY2023 Q3",
   "url": "https://www.sec.gov/Archives/edgar/data/33213/000003321323000041/eqt-20230930.htm",
   "index_url": "https://www.sec.gov/Archives/edgar/data/33213/000003321323000041/"
  },
  "10-Q:0000033213-24-000021": {
   "kind": "filing",
   "form": "10-Q",
   "accession": "0000033213-24-000021",
   "report_date": "2024-03-31",
   "filed": "2024-04-24",
   "fiscal_period": "FY2024 Q1",
   "url": "https://www.sec.gov/Archives/edgar/data/33213/000003321324000021/eqt-20240331.htm",
   "index_url": "https://www.sec.gov/Archives/edgar/data/33213/000003321324000021/"
  },
  "10-Q:0000033213-24-000032": {
   "kind": "filing",
   "form": "10-Q",
   "accession": "0000033213-24-000032",
   "report_date": "2024-06-30",
   "filed": "2024-07-24",
   "fiscal_period": "FY2024 Q2",
   "url": "https://www.sec.gov/Archives/edgar/data/33213/000003321324000032/eqt-20240630.htm",
   "index_url": "https://www.sec.gov/Archives/edgar/data/33213/000003321324000032/"
  },
  "10-Q:0000033213-24-000047": {
   "kind": "filing",
   "form": "10-Q",
   "accession": "0000033213-24-000047",
   "report_date": "2024-09-30",
   "filed": "2024-10-30",
   "fiscal_period": "FY2024 Q3",
   "url": "https://www.sec.gov/Archives/edgar/data/33213/000003321324000047/eqt-20240930.htm",
   "index_url": "https://www.sec.gov/Archives/edgar/data/33213/000003321324000047/"
  },
  "10-Q:0000033213-25-000023": {
   "kind": "filing",
   "form": "10-Q",
   "accession": "0000033213-25-000023",
   "report_date": "2025-03-31",
   "filed": "2025-04-23",
   "fiscal_period": "FY2025 Q1",
   "url": "https://www.sec.gov/Archives/edgar/data/33213/000003321325000023/eqt-20250331.htm",
   "index_url": "https://www.sec.gov/Archives/edgar/data/33213/000003321325000023/"
  },
  "10-Q:0000033213-25-000033": {
   "kind": "filing",
   "form": "10-Q",
   "accession": "0000033213-25-000033",
   "report_date": "2025-06-30",
   "filed": "2025-07-23",
   "fiscal_period": "FY2025 Q2",
   "url": "https://www.sec.gov/Archives/edgar/data/33213/000003321325000033/eqt-20250630.htm",
   "index_url": "https://www.sec.gov/Archives/edgar/data/33213/000003321325000033/"
  },
  "10-Q:0000033213-25-000049": {
   "kind": "filing",
   "form": "10-Q",
   "accession": "0000033213-25-000049",
   "report_date": "2025-09-30",
   "filed": "2025-10-22",
   "fiscal_period": "FY2025 Q3",
   "url": "https://www.sec.gov/Archives/edgar/data/33213/000003321325000049/eqt-20250930.htm",
   "index_url": "https://www.sec.gov/Archives/edgar/data/33213/000003321325000049/"
  },
  "10-Q:0000033213-26-000030": {
   "kind": "filing",
   "form": "10-Q",
   "accession": "0000033213-26-000030",
   "report_date": "2026-03-31",
   "filed": "2026-04-22",
   "fiscal_period": "FY2026 Q1",
   "url": "https://www.sec.gov/Archives/edgar/data/33213/000003321326000030/eqt-20260331.htm",
   "index_url": "https://www.sec.gov/Archives/edgar/data/33213/000003321326000030/"
  },
  "10-Q:0000033213-26-000043": {
   "kind": "filing",
   "form": "10-Q",
   "accession": "0000033213-26-000043",
   "report_date": "2026-06-30",
   "filed": "2026-07-22",
   "fiscal_period": "FY2026 Q2",
   "url": "https://www.sec.gov/Archives/edgar/data/33213/000003321326000043/eqt-20260630.htm",
   "index_url": "https://www.sec.gov/Archives/edgar/data/33213/000003321326000043/"
  },
  "10-Q:0000033213-26-000058": {
   "kind": "filing",
   "form": "10-Q",
   "accession": "0000033213-26-000058",
   "report_date": "2026-09-30",
   "filed": "2026-10-28",
   "fiscal_period": "FY2026 Q3",
   "url": "https://www.sec.gov/Archives/edgar/data/33213/000003321326000058/eqt-20260930.htm",
   "index_url": "https://www.sec.gov/Archives/edgar/data/33213/000003321326000058/"
  },
  "8-K:0001104659-21-094908": {
   "kind": "filing",
   "form": "8-K",
   "accession": "0001104659-21-094908",
   "report_date": "2021-07-21",
   "filed": "2021-07-22",
   "fiscal_period": null,
   "url": "https://www.sec.gov/Archives/edgar/data/33213/000110465921094908/tm2122272d1_8k.htm",
   "index_url": "https://www.sec.gov/Archives/edgar/data/33213/000110465921094908/"
  },
  "8-K:0001104659-23-094269": {
   "kind": "filing",
   "form": "8-K",
   "accession": "0001104659-23-094269",
   "report_date": "2023-08-22",
   "filed": "2023-08-22",
   "fiscal_period": null,
   "url": "https://www.sec.gov/Archives/edgar/data/33213/000110465923094269/tm2324212d2_8k.htm",
   "index_url": "https://www.sec.gov/Archives/edgar/data/33213/000110465923094269/"
  },
  "8-K:0001104659-24-081501": {
   "kind": "filing",
   "form": "8-K",
   "accession": "0001104659-24-081501",
   "report_date": "2024-07-18",
   "filed": "2024-07-22",
   "fiscal_period": null,
   "url": "https://www.sec.gov/Archives/edgar/data/33213/000110465924081501/tm2419871d1_8k.htm",
   "index_url": "https://www.sec.gov/Archives/edgar/data/33213/000110465924081501/"
  }
 }
}
