Income Taxes - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Jun. 30, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Taxes Information [Line Items]
Net deferred tax assets		$ 3,696	$ 3,853
Deferred income taxes		8,813	7,726
U.S. foreign tax credits		4,700
Adjustment to valuation allowance		(2)	5	$ (45)
Undistributed earnings of foreign subsidiaries		4,975
Estimated tax payable on undistributed unremitted foreign income		249
Unrecognized tax benefits that would impact effective tax rate		378	701	1,261
Unrecognized tax benefit, lapse of statute		224	75	48
Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities		96	510	0
Recognized federal and state tax benefit			515
Unrecognized tax benefits, income tax penalties and interest accrued		45	35	47
Interest and penalties (benefiting) charging earnings		10	(12)	1
Certain Jurisdictions Outside Of Domestic
Income Taxes Information [Line Items]
Operating loss carryforwards		900
Norwegian Tax Administration
Income Taxes Information [Line Items]
Adjustment to valuation allowance	$ 58
Canada Revenue Agency
Income Taxes Information [Line Items]
Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities		92
Disposition CVE Common Shares
Income Taxes Information [Line Items]
Increase (decrease) in valuation allowance				218
Impairment Of APLNG Investment
Income Taxes Information [Line Items]
Increase (decrease) in valuation allowance				206
Disposition Of Indonesia Entities
Income Taxes Information [Line Items]
U.S. foreign tax credits				$ 29
Noncurrent Assets
Income Taxes Information [Line Items]
Net deferred tax assets		$ 255	$ 241