Accounts Payable (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Accounts and Notes Payable [Line Items]
Notes payable	$ 3	$ 3
Accounts payable	811	889
Nonrelated Party
Accounts and Notes Payable [Line Items]
Accounts payable—third parties	791	870
Related Party
Accounts and Notes Payable [Line Items]
Accounts payable—third parties	$ 17	$ 16