Schedule II, Valuation and Qualifying Accounts (Details) - Allowance for Bad Debts - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Jan. 1		$ 15	$ 13	$ 12
Charged to costs and expenses		8	11	9
Charged to other accounts	[1]	2	1	1
Deductions from reserves	[2]	(13)	(10)	(9)
Balance at Dec. 31		$ 12	$ 15	$ 13

[1] Recovery of amounts previously written-off.

[2] Deductions related primarily to bad debt write-offs