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Face (par) amount of the original debt instrument that was repurchased.

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No definition available.

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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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The effective interest rate during the reporting period.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Maximum amount borrowed under the credit facility at any time during the period.

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No definition available.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

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No definition available.

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The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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Debt - Narrative (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
Debt - Narrative (Details) - USD ($) $ in Thousands	Jul. 15, 2026	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Line of Credit Facility
Repayments of long-term debt				$ 2,122,944	$ 813,017
Senior Notes
Line of Credit Facility
Aggregate principal amount of debt redeemed		$ 2,122,944		$ 2,122,944
7.75% debentures due July 15, 2026 \| Senior Notes
Line of Credit Facility
Interest rate (percent)		7.75%		7.75%		7.75%
7.75% debentures due July 15, 2026 \| Subsequent Event \| Senior Notes
Line of Credit Facility
Aggregate principal amount of debt redeemed	$ 115,000
Repayments of long-term debt	$ 115,000
Interest rate (percent)	7.75%
Revolving credit facility \| EQT Fourth A& R Revolving Credit Facility
Line of Credit Facility
Line of credit facility, maximum borrowing capacity		$ 3,500,000		$ 3,500,000
Letters of credit outstanding under revolving credit facility (less than)		2,000		2,000		$ 2,000
Maximum amount of outstanding short-term loans at any time during the period		462,000	$ 512,000	530,000	566,000
Average daily balance of short-term loans outstanding during the period		$ 155,000	$ 64,000	$ 128,000	$ 136,000
Weighted average interest rates (in percent)		5.20%	5.90%	5.20%	5.90%
Unused commitment fee paid to maintain credit facility (in percent)		0.20%	0.20%	0.20%	0.20%
Revolving credit facility \| Eureka Revolving Credit Facility
Line of Credit Facility
Line of credit facility, maximum borrowing capacity		$ 400,000		$ 400,000
Letters of credit outstanding under revolving credit facility (less than)		0		0		$ 0
Maximum amount of outstanding short-term loans at any time during the period		272,000	$ 285,000	285,000	$ 321,000
Average daily balance of short-term loans outstanding during the period		$ 270,000	$ 284,000	$ 276,000	$ 297,000
Weighted average interest rates (in percent)		6.40%	7.10%	6.40%	7.10%