Financial Information by Business Segment - Narrative (Details) $ in Millions		2 Months Ended	7 Months Ended
	Feb. 26, 2020 Bcf / d	Sep. 30, 2024 USD ($) business segment reportable_segment	Jul. 21, 2024 reportable_segment	Dec. 31, 2023 USD ($)
Operating segments information
Number of reportable segments | reportable_segment		3	1
Number of operating segments | segment		3
Number of lines of business | business		3
Henry hub cash bonus
Operating segments information
Cash bonus payment period		36 months
Derivative liability | $		$ 15		$ 48
EQT Producer
Operating segments information
Annual minimum volume (in Bcf per day) | Bcf / d	3.0