Revenues - Contract Assets and Liabilities (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2024	Dec. 31, 2023
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Contract assets, net of current expected credit losses	$ 1	$ 1
Change In Contract With Customer, Liability [Roll Forward]
Deferred revenues, beginning of period	190
Cash received but not yet recognized in revenue	95
Revenue recognized from prior period deferral	(114)
Deferred revenues, end of period	171
Affiliate [Member]
Change In Contract With Customer, Liability [Roll Forward]
Deferred revenues, beginning of period	5
Cash received but not yet recognized in revenue	1
Revenue recognized from prior period deferral	0
Deferred revenues, end of period	$ 6