Pensions Benefit Plans and Other Postretirement Benefits - Changes in the Benefit Obligation (Details) - Funded Plan - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Pension Benefit Plans
Change in benefit obligations:
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Interest Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]	Other Operating Income (Expense), Net	Other Operating Income (Expense), Net	Other Operating Income (Expense), Net
Pension Benefit Plans | U.S.
Changes in the pension and postretirement benefit obligations
Obligations at beginning of year	$ 1,242	$ 1,590
Change in benefit obligations:
Service cost	13	13	$ 11
Interest cost	35	40	50
Actuarial (gain) loss	(320)	(73)
Settlements	(20)	(252)
Benefit payments	(90)	(76)
Net change in benefit obligations	(382)	(348)
Obligations at end of year	860	1,242	1,590
Pension Benefit Plans | Foreign
Changes in the pension and postretirement benefit obligations
Obligations at beginning of year	990	1,127
Change in benefit obligations:
Service cost	10	12	13
Interest cost	24	21	26
Actuarial (gain) loss	(221)	(82)
Settlements	(17)	(8)
Benefit payments	(42)	(53)
Other	3	1
Foreign currency translation	(78)	(28)
Net change in benefit obligations	(321)	(137)
Obligations at end of year	$ 669	$ 990	$ 1,127
Postretirement Benefits Other Than Pensions
Change in benefit obligations:
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Interest Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]	Other Operating Income (Expense), Net	Other Operating Income (Expense), Net	Other Operating Income (Expense), Net
Postretirement Benefits Other Than Pensions | U.S.
Changes in the pension and postretirement benefit obligations
Obligations at beginning of year	$ 34	$ 38
Change in benefit obligations:
Interest cost	1	2	$ 2
Actuarial (gain) loss	(11)	(4)
Benefit payments	(2)	(2)
Net change in benefit obligations	(12)	(4)
Obligations at end of year	22	34	38
Postretirement Benefits Other Than Pensions | Foreign
Changes in the pension and postretirement benefit obligations
Obligations at beginning of year	76	80
Change in benefit obligations:
Service cost	2	2	2
Interest cost	2	2	2
Actuarial (gain) loss	(29)	(6)
Benefit payments	(3)	(2)
Foreign currency translation	(3)
Net change in benefit obligations	(31)	(4)
Obligations at end of year	$ 45	$ 76	$ 80