Income Taxes - Narrative (Details) $ in Millions	3 Months Ended	12 Months Ended
	Jun. 30, 2024 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 15, 2022 memberState
Income Tax Disclosure [Abstract]
Net operating loss and capital loss carryforwards		$ 37
Net operating loss and capital loss carryforwards, set to begin expiring		6
Net operating loss carryforwards, not subject to expiration		13
Net operating loss carryforward, valuation allowance		18
Tax credit carryforward		393
Tax credit carryforward, subject to expiration		66
Tax credit carryforward, not subject to expiration		17
tax credit carryforward, valuation allowance		310
Income tax expense (benefit) allocated directly to equity		55	$ (19)	$ 164
Unrecognized tax benefits that would impact effective tax rate		286
Interest (income) expense recognized related to unrecognized tax benefits		22	10	8
Accrued interest related to unrecognized tax benefits		68	45	40
Cumulative effect of change in tax position	$ 148
Withholding tax reserves, prior year reversals	$ 22	53	$ 61	$ 21
Number of member states of the European Union | memberState					27
Tax plus interest for years 2010 through 2018		$ 153