SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Allowance for doubtful accounts
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of period	$ 32	$ 37	$ 20
Charged to expense	4	3	18
Charged/ (credited) to other accounts	(1)	(1)	0
Deductions from reserves	(7)	(7)	(1)
Balance at end of period	28	32	37
Valuation allowance-taxes
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of period	64	42	58
Charged to expense	0	22	0
Charged/ (credited) to other accounts	0	0	0
Deductions from reserves	(18)	0	(16)
Balance at end of period	$ 46	$ 64	$ 42