Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Disaggregation of Revenue
Revenue	$ 1,114,481	$ 2,583,865	$ 3,325,729	$ 6,829,011
Income (loss) from derivatives, deferred revenue and other sources	11,695	(519,241)	162,100	(1,775,862)
Total revenue	1,126,176	2,064,624	3,487,829	5,053,149
Natural gas sales
Disaggregation of Revenue
Total revenue	516,214	1,736,039	1,621,659	4,290,825
Oil sales
Disaggregation of Revenue
Total revenue	62,629	67,025	172,402	219,504
Marketing
Disaggregation of Revenue
Total revenue	53,068	159,985	155,390	335,173
Exploration and production | Natural gas sales
Disaggregation of Revenue
Revenue	516,214	1,736,039	1,621,659	4,290,825
Exploration and production | Natural gas liquids sales (ethane)
Disaggregation of Revenue
Revenue	78,551	117,253	200,764	274,546
Exploration and production | Natural gas liquids sales (C3+ NGLs)
Disaggregation of Revenue
Revenue	404,019	503,563	1,174,974	1,708,963
Exploration and production | Oil sales
Disaggregation of Revenue
Revenue	62,629	67,025	172,402	219,504
Exploration and production | Other
Disaggregation of Revenue
Revenue			540
Marketing | Marketing
Disaggregation of Revenue
Revenue	$ 53,068	$ 159,985	$ 155,390	$ 335,173