Pensions Benefit Plans and Other Postretirement Benefits - Projected and Accumulated Benefit Obligations in Excess of Fair Value of Plan Assets (Details) - Pension Benefit Plans. - Funded Plan - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
U.S.
Projected Benefit Obligation Exceeds the Fair Value of Plan Assets
Projected benefit obligations	$ 860	$ 1,242
Accumulated benefit obligation	860	1,242
Fair value of plan assets	812	1,168
Accumulated Benefit Obligations Exceeds the Fair Value of Plan Assets
Projected benefit obligations	860	1,242
Accumulated benefit obligation	860	1,242
Fair value of plan assets	812	1,168
Foreign
Projected Benefit Obligation Exceeds the Fair Value of Plan Assets
Projected benefit obligations	216	258
Projected benefit obligations	240
Accumulated benefit obligation	203	240
Accumulated benefit obligation	226
Fair value of plan assets	33	42
Fair value of plan assets	56
Accumulated Benefit Obligations Exceeds the Fair Value of Plan Assets
Projected benefit obligations	216	258
Accumulated benefit obligation	203	240
Fair value of plan assets	$ 33	$ 42