Income Taxes - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Jun. 30, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Income tax expense (benefit) allocated directly to equity		$ (19)	$ 164	$ 146
Unrecognized tax benefits that would impact effective tax rate		304
Interest (income) expense recognized related to unrecognized tax benefits		10	8	10
Accrued interest related to unrecognized tax benefits		45	40	35
Cumulative effect of change in tax position	$ 148
Withholding tax reserves, prior year reversals	$ 22	61	$ 21	$ 20
Tax plus interest for years 2010 through 2018		$ 145