Background - Basis of Presentation (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Lessee, Lease, Description [Line Items]
Operating lease, right-of-use asset, Statement of Financial Position [Extensible Enumeration]	Other, net	Other, net
Current operating lease liabilities	$ 270	$ 288
Operating lease liabilities	751	845
Affiliates
Lessee, Lease, Description [Line Items]
Operating lease assets	248	311
Current operating lease liabilities	115	129
Operating lease liabilities	$ 144	$ 201