SCHEDULE II Valuation and Qualifying Accounts (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
SEC Schedule, 12-09, Allowance, Credit Loss
Allowance for valuation and qualifying accounts
Balance at Beginning of Period		$ 40	$ 54
Additions		5	2	$ (2)
Deductions	[1]	4	16	25
Balance at End of Period		41	40	54
SEC Schedule, 12-09, Allowance, Credit Loss | Cumulative Effect, Period of Adoption, Adjusted Balance
Allowance for valuation and qualifying accounts
Balance at Beginning of Period				81
Tax-Related valuation allowance
Allowance for valuation and qualifying accounts
Balance at Beginning of Period		68	60	298
Additions			8
Deductions		3		238
Balance at End of Period		$ 65	$ 68	$ 60

[1] (1) Amounts written off, net of recovery, and related impact of foreign currency exchange.