Debt - Debt Instrument Redemption (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 10, 2024	Nov. 25, 2024	Dec. 31, 2023	Apr. 30, 2020
Senior notes
Debt Instrument [Line Items]
Principal	$ 4,310,265
Premium/(Discounts)	44,317
Accrued but Unpaid Interest	72,950
Total Cost	4,427,532
Third party costs	$ 7,800
EQM Midstream 6.000% notes due July 1, 2025 | Senior notes
Debt Instrument [Line Items]
Interest rate (percent)	6.00%
Principal	$ 400,000
Premium/(Discounts)	1,284
Accrued but Unpaid Interest	11,933
Total Cost	$ 413,217
EQM Midstream 4.125% notes due December 1, 2026 | Senior notes
Debt Instrument [Line Items]
Interest rate (percent)	4.125%
Principal	$ 500,000
Premium/(Discounts)	0
Accrued but Unpaid Interest	1,662
Total Cost	$ 501,662
EQM's 5.500% notes due July 15, 2028 | Senior notes
Debt Instrument [Line Items]
Interest rate (percent)	5.50%
Principal	$ 731,317
Premium/(Discounts)	15,541
Accrued but Unpaid Interest	18,435
Total Cost	$ 765,293
EQM's 4.50% notes due January 15, 2029 | Senior notes
Debt Instrument [Line Items]
Interest rate (percent)	4.50%
Principal	$ 57,077
Premium/(Discounts)	(713)
Accrued but Unpaid Interest	1,177
Total Cost	$ 57,541
EQM's 6.500% notes due July 15, 2048 | Senior notes
Debt Instrument [Line Items]
Interest rate (percent)	6.50%
Principal	$ 469,767
Premium/(Discounts)	27,012
Accrued but Unpaid Interest	13,995
Total Cost	$ 510,774
EQM's 4.00% notes due August 1, 2024 | Senior notes
Debt Instrument [Line Items]
Interest rate (percent)	4.00%			4.00%
Principal	$ 300,000
Premium/(Discounts)	0
Accrued but Unpaid Interest	6,000
Total Cost	$ 306,000
EQT's 6.125% notes due February 1, 2025 | Senior notes
Debt Instrument [Line Items]
Interest rate (percent)	6.125%			6.125%
Principal	$ 601,521
Premium/(Discounts)	1,178
Accrued but Unpaid Interest	13,612
Total Cost	616,311
Term Loan Facility due June 30, 2026 | Loans Payable
Debt Instrument [Line Items]
Principal	1,250,000
Premium/(Discounts)	15
Accrued but Unpaid Interest	6,136
Total Cost	$ 1,256,151
EQT's 1.75% convertible notes due May 1, 2026 | Senior notes
Debt Instrument [Line Items]
Interest rate (percent)	1.75%			1.75%	1.75%
Principal	$ 583
Premium/(Discounts)	0
Accrued but Unpaid Interest	0
Total Cost	$ 583
EQT's note payable to EQM | Senior notes
Debt Instrument [Line Items]
Total Cost		$ 1,300,000	$ 1,275,000