Segment Disclosures and Related Information - Schedule of Operating Segment Reporting by Geographic Location (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Segment Reporting Information [Line Items]
Consolidated sales and other operating revenues	$ 14,004,000,000	$ 13,620,000,000	$ 30,521,000,000	$ 27,468,000,000
U.S.
Segment Reporting Information [Line Items]
Consolidated sales and other operating revenues	11,137,000,000	10,776,000,000	24,249,000,000	21,756,000,000
Canada
Segment Reporting Information [Line Items]
Consolidated sales and other operating revenues	742,000,000	941,000,000	1,689,000,000	1,877,000,000
China
Segment Reporting Information [Line Items]
Consolidated sales and other operating revenues	255,000,000	275,000,000	492,000,000	488,000,000
Equatorial Guinea
Segment Reporting Information [Line Items]
Consolidated sales and other operating revenues	117,000,000	0	356,000,000	0
Libya
Segment Reporting Information [Line Items]
Consolidated sales and other operating revenues	406,000,000	470,000,000	916,000,000	970,000,000
Malaysia
Segment Reporting Information [Line Items]
Consolidated sales and other operating revenues	217,000,000	268,000,000	403,000,000	529,000,000
Norway
Segment Reporting Information [Line Items]
Consolidated sales and other operating revenues	428,000,000	514,000,000	1,034,000,000	1,138,000,000
Singapore
Segment Reporting Information [Line Items]
Consolidated sales and other operating revenues	105,000,000	0	144,000,000	0
U.K.
Segment Reporting Information [Line Items]
Consolidated sales and other operating revenues	596,000,000	374,000,000	1,236,000,000	707,000,000
Other foreign countries
Segment Reporting Information [Line Items]
Consolidated sales and other operating revenues	1,000,000	2,000,000	2,000,000	3,000,000
Natural gas
Segment Reporting Information [Line Items]
Consolidated sales and other operating revenues	1,930,000,000	1,175,000,000	4,762,000,000	3,057,000,000
Natural gas liquids
Segment Reporting Information [Line Items]
Consolidated sales and other operating revenues	938,000,000	662,000,000	1,993,000,000	1,342,000,000
Crude oil
Segment Reporting Information [Line Items]
Consolidated sales and other operating revenues	9,528,000,000	10,112,000,000	20,361,000,000	19,674,000,000
Other
Segment Reporting Information [Line Items]
Consolidated sales and other operating revenues	$ 1,608,000,000	$ 1,671,000,000	$ 3,405,000,000	$ 3,395,000,000