SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Allowance for doubtful accounts
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of period	$ 31	$ 28	$ 32
Charged to expense	11	8	4
Charged/ (credited) to other accounts	0	0	(1)
Deductions from reserves	(6)	(5)	(7)
Balance at end of period	36	31	28
Valuation allowance-taxes
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of period	58	46	64
Charged to expense	0	12	0
Charged/ (credited) to other accounts	0	0	0
Deductions from reserves	(6)	0	(18)
Balance at end of period	$ 52	$ 58	$ 46