Employee Benefit Plans - Accumulated Benefit Obligation in Excess of Plan Assets (Details) - Pension Benefits - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
U.S.
Pension Plans With Accumulated Benefit Obligation in Excess of Plan Assets
Projected benefit obligations	$ 1,322	$ 1,957
Accumulated benefit obligations	1,135	1,665
Fair value of plan assets	0	55
Int’l.
Pension Plans With Accumulated Benefit Obligation in Excess of Plan Assets
Projected benefit obligations	828	1,097
Accumulated benefit obligations	671	883
Fair value of plan assets	$ 3	$ 2