Debt - Narrative (Details)							1 Months Ended			3 Months Ended		6 Months Ended
	Jul. 22, 2024 USD ($) extension	Jan. 22, 2024 USD ($)	Jan. 19, 2024 USD ($)	Jan. 17, 2024 USD ($)	Jan. 12, 2024 USD ($) shares	Aug. 21, 2023 USD ($)	Jan. 31, 2024 USD ($) $ / shares shares	Jan. 17, 2024	Apr. 30, 2020 USD ($) $ / shares	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)
Line of Credit Facility
Repayments of long-term debt												$ 1,355,183,000	$ 1,012,877,000
Debt instrument, face amount										$ 4,988,281,000		4,988,281,000		$ 5,836,058,000
Debt issuance costs												8,511,000	3,557,000
Issuance of EQT Corporation common stock for Convertible Notes settlement											$ 12,000	285,608,000	82,000
Aggregate proceeds from capped call termination payment												$ 93,290,000	0
Call Option
Line of Credit Facility
Aggregate proceeds from capped call termination payment		$ 93,300,000
Senior Notes
Line of Credit Facility
Strike price (in dollars per share) | $ / shares									$ 15.00
Capped price (in dollars per share) | $ / shares									$ 18.75
Senior Notes | Call Option
Line of Credit Facility
Capped call transaction									$ 32,500,000
Term Loan Facility Due June 2025 | Loans Payable
Line of Credit Facility
Proceeds from issuance of debt						$ 1,250,000,000
Proceeds from debt, net of issuance costs						$ 1,242,900,000
Term Loan Facility due June 30, 2025 | Loans Payable
Line of Credit Facility
Weighted average interest rates (percent)										6.90%		6.90%
Repayments of long-term debt			$ 750,000,000
Debt instrument, face amount										$ 500,000,000		$ 500,000,000		1,250,000,000
5.750% notes due February 1, 2034 | Senior Notes
Line of Credit Facility
Debt instrument, face amount			$ 750,000,000							$ 750,000,000		$ 750,000,000		$ 0
Interest rate, stated percentage (in percent)			5.75%							5.75%		5.75%		5.75%
Debt issuance costs			$ 8,000,000
Proceeds from issuance of debt			$ 742,000,000
1.75% convertible notes due May 1, 2026 | Senior Notes
Line of Credit Facility
Debt instrument, face amount									$ 500,000,000	$ 0		$ 0		$ 290,177,000
Interest rate, stated percentage (in percent)									1.75%	1.75%		1.75%		1.75%
Effective interest rate (in percent)				2.40%				2.40%
Conversion ratio					0.0690364
Debt principal redeemed				$ 600,000
Convertible Debt Settled January 2024 | Senior Notes
Line of Credit Facility
Redemption price (percent)								100.00%
Debt conversion, converted instrument, amount					$ 289,600,000
Shares Issued (in shares) | shares					19,992,482
Issuance of EQT Corporation common stock for Convertible Notes settlement					$ 285,600,000
Convertible Debt Settled January 2024, Including Exercise Notices Received In December 2023 | Senior Notes
Line of Credit Facility
Debt conversion, converted instrument, amount							$ 290,200,000
Shares Issued (in shares) | shares							20,036,639
Debt instrument, convertible, average conversion price (in USD per share) | $ / shares							$ 38.03
Revolving credit facility | the $2.5 billion Revolving Credit Facility
Line of Credit Facility
Line of credit facility, maximum borrowing capacity										$ 2,500,000,000		$ 2,500,000,000
Revolving credit facility | EQT Fourth A& R Revolving Credit Facility
Line of Credit Facility
Letters of credit outstanding under revolving credit facility										0		0		$ 15,000,000
Maximum amount of outstanding short-term loans at any time during the period										$ 207,000,000	$ 0	$ 207,000,000	$ 0
Weighted average interest rates (percent)										6.90%		6.90%
Average daily balance of short-term loans outstanding during the period										$ 24,000,000		$ 17,000,000
Revolving credit facility | Subsequent Event | EQT Fourth A& R Revolving Credit Facility
Line of Credit Facility
Line of credit facility, maximum borrowing capacity	$ 3,500,000,000
Number of extensions | extension	2
Extension term	1 year
Commitment amount	$ 1,000,000,000
Revolving credit facility | Subsequent Event | EQT Fourth A& R Revolving Credit Facility | SOFR
Line of Credit Facility
Credit spread adjustment (percent)	0.10%
Revolving credit facility | Subsequent Event | Minimum | EQT Fourth A& R Revolving Credit Facility | Base Rate
Line of Credit Facility
Basis spread on variable rate (percent)	0.125%
Revolving credit facility | Subsequent Event | Minimum | EQT Fourth A& R Revolving Credit Facility | SOFR
Line of Credit Facility
Basis spread on variable rate (percent)	1.125%
Revolving credit facility | Subsequent Event | Maximum | EQT Fourth A& R Revolving Credit Facility | Base Rate
Line of Credit Facility
Basis spread on variable rate (percent)	1.00%
Revolving credit facility | Subsequent Event | Maximum | EQT Fourth A& R Revolving Credit Facility | SOFR
Line of Credit Facility
Basis spread on variable rate (percent)	2.00%