Fair Value of Financial Instruments (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Level 2 | Carrying Amount
Liabilities measured on a recurring basis
Liabilities-Long-term debt, excluding finance leases and other obligations	$ 7,805	$ 10,103
Level 2 | Fair Value
Liabilities measured on a recurring basis
Liabilities-Long-term debt, excluding finance leases and other obligations	6,581	10,090
Level 3 | Carrying Amount
Liabilities measured on a recurring basis
Indemnifications related to the sale of the Latin American business	86	0
Level 3 | Fair Value
Liabilities measured on a recurring basis
Indemnifications related to the sale of the Latin American business	$ 86	$ 0