Supplemental Disclosures About Natural Gas, Oil and NGL Producing Activities (unaudited) - Sources of Change in Standardized Measure of Discounted Future Net Cash Flow (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Extractive Industries [Abstract]
Standardized measure, beginning balance	$ 4,477	$ 26,305	$ 12,287
Sales of natural gas and oil produced, net of production costs and gathering processing and transportation	(1,521)	(2,171)	(8,116)
Net changes in prices and production costs	(2,266)	(23,535)	14,256
Extensions and discoveries, net of production and development costs	50	182	251
Changes in estimated future development costs	652	346	(1,512)
Previously estimated development costs incurred during the period	396	818	690
Revisions of previous quantity estimates	(922)	(205)	6,697
Purchase of reserves-in-place	5,409	77	7,047
Sales of reserves-in-place	0	(7,158)	(402)
Accretion of discount	457	3,270	1,371
Net change in income taxes	58	6,301	(4,972)
Changes in production rates and other	741	247	(1,292)
Standardized measure, ending balance	$ 7,531	$ 4,477	$ 26,305