Supplementary Cash Flow Information - Schedule of Cash Flow Supplemental Disclosures (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Cash Flows From Operating Activities
Interest paid	$ (408)	$ (470)	$ (486)
Net income taxes (paid) refunded (a)	(78)	(71)	(1,036)
Cash Flows From Investing Activities
Additions to property, plant and equipment – E&P	(4,640)	(3,884)	(2,487)
Additions to property, plant and equipment – Midstream	(306)	(224)	(238)
Exploration and Production
Cash Flows From Investing Activities
Capital expenditures incurred	(4,714)	(4,033)	(2,589)
Increase (decrease) in related liabilities	74	149	102
Additions to property, plant and equipment – E&P	(4,640)	(3,884)	(2,487)
Midstream
Cash Flows From Investing Activities
Capital expenditures incurred	(288)	(246)	(232)
Increase (decrease) in related liabilities	(18)	22	(6)
Additions to property, plant and equipment – Midstream	$ (306)	$ (224)	$ (238)