Income Taxes (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Tax Credit Carryforward [Line Items]
Undistributed earnings of foreign subsidiaries	$ 860,000,000
Differences related to non-U.S. operations	588,000,000	$ 586,000,000
Net increase (decrease) in valuation allowances	24,000,000	(110,000,000)	$ (1,000,000)
Change in valuation allowance	$ 0	94,000,000	5,000,000
Net operating loss carryforwards, subject to expiration (as a percent)	10.00%
Net operating loss carryforwards, not subject to expiration (as a percent)	90.00%
Unrecognized tax benefits	$ 111,000,000	122,000,000	94,000,000
Accrued interest and penalties, before any applicable federal benefit	45,000,000	$ 48,000,000	$ 48,000,000
Maximum
Tax Credit Carryforward [Line Items]
Reasonably possible decrease in unrecognized tax benefits	65,000,000
State and Local
Tax Credit Carryforward [Line Items]
Differences related to non-U.S. operations	80,000,000
Non-U.S.
Tax Credit Carryforward [Line Items]
Operating loss carryforwards tax benefits	$ 380,000,000