Supplementary Financial Information - Supplier Finance Programs (Details) - E-Payable Program - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Supplier Finance Program [Line Items]
Credit period (in days)	45 days		45 days
Supplier finance program, obligation, settlement	$ 30	$ 30	$ 60	$ 60
Amount due to vendors	$ 25		$ 25		$ 40