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Financial Information by Business Segment - Narrative (Details) $ in Millions |  | 3 Months Ended | 5 Months Ended | 7 Months Ended |
--- | --- | --- | --- | --- | ---
Feb. 26, 2020 Bcf / d | Dec. 31, 2024 USD ($) | Dec. 31, 2024 segment business | Jul. 21, 2024 segment | Dec. 31, 2023 USD ($)
Segment Reporting Information [Line Items] |  |  |  |  |
Number of segments | segment |  |  | 3 | 1 |
Number of operating segments | segment |  |  | 3 |  |
Number of lines of business | business |  |  | 3 |  |
Henry Hub |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Cash bonus payment period |  | 36 months | 36 months |  |
Derivative liability | $ |  |  |  |  | $ 48.0
EQT Producer |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Annual minimum volume (in Bcf per day) | Bcf / d | 3.0 |  |  |  |
EQT Party | EQM Affiliate |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Cash bonus payments | $ |  | $ 4.2 |  |  |

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