Income Taxes - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Contingency [Line Items]
Temporary differences that reverses (as a percent)	5.00%
Temporary differences that reverses within the carryforward period (as a percent)	95.00%
Foreign tax credits	$ 46	$ 20
Increase (decrease) to valuation allowance	20	21	$ 40
Cumulative amount of valuation allowance	41
Valuation allowance	1,705	1,821	1,965	$ 2,279
Income taxes, net of amounts refunded	$ 177	$ 104	$ 50
Percentage of the effect of unrecognized tax benefit, if recorded (less than)	1.00%	2.00%	1.00%
Interest or penalties recognized (less than for 2022)	$ 1	$ 7	$ 1
Income related to accrued interest and penalties (less than for 2022)	0	2	1
Amount accrued for payment of interest and penalties (less than for 2022)	9	11	1
State and Local
Income Tax Contingency [Line Items]
Increase (decrease) to valuation allowance	(7)	(2)	(1)
Foreign | UK Tax Authority
Income Tax Contingency [Line Items]
Increase (decrease) to valuation allowance			(6)
Foreign Tax Credit Carryover
Income Tax Contingency [Line Items]
Increase (decrease) to valuation allowance	(4)	(14)
Other Net State Deferred Tax Asset | State and Local
Income Tax Contingency [Line Items]
Increase (decrease) to valuation allowance	(30)	$ (49)	$ (142)
Valuation allowance	$ 401