Pensions Benefit Plans and Other Postretirement Benefits - Components of Net Periodic Pension and Postretirement Cost (Income) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Other:
Pension settlement charges	$ 20	$ 74	$ 26
Pension Benefit Plans. | Funded Plan
Amortization:
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Amortization of Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Other Operating Income (Expense), Net	Other Operating Income (Expense), Net	Other Operating Income (Expense), Net
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Expected Return (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Other Operating Income (Expense), Net	Other Operating Income (Expense), Net	Other Operating Income (Expense), Net
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
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Settlement Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]		Other Operating Income (Expense), Net	Other Operating Income (Expense), Net
Other:
Accumulated benefit obligation	$ 1,513	$ 2,210
Pension Benefit Plans. | U.S. | Funded Plan
Components of net periodic pension cost
Service cost	13	13	$ 11
Interest cost	35	40	50
Expected asset return	(61)	(82)	(85)
Amortization:
Amortization of actuarial loss	40	61	56
Net periodic pension cost	27	32	32
Other:
Pension settlement charges	20	74	26
Pension Benefit Plans. | Foreign | Funded Plan
Components of net periodic pension cost
Service cost	10	12	13
Interest cost	24	21	26
Expected asset return	(36)	(46)	(45)
Amortization:
Amortization of actuarial loss	9	13	12
Net periodic pension cost	$ 7		6
Pension Benefit Plans. | Canadian Pension Plans | Funded Plan
Other:
Annuity contract purchase for settlement of pension obligation		$ 239	$ 31
Postretirement Benefits Other Than Pensions | Funded Plan
Amortization:
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Amortization of Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Other Operating Income (Expense), Net	Other Operating Income (Expense), Net	Other Operating Income (Expense), Net
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Amortization of Prior Service Cost (Credit), Statement of Income or Comprehensive Income [Extensible Enumeration]	Other Operating Income (Expense), Net	Other Operating Income (Expense), Net	Other Operating Income (Expense), Net
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. | Funded Plan
Components of net periodic pension cost
Interest cost	$ 1	$ 2	$ 2
Amortization:
Amortization of actuarial loss	(8)	(9)	(11)
Prior service cost	8	9	5
Net amortization			(6)
Net periodic pension cost	1	2	(4)
Postretirement Benefits Other Than Pensions | Foreign | Funded Plan
Components of net periodic pension cost
Service cost	2	2	2
Interest cost	2	2	2
Amortization:
Prior service cost			(1)
Net amortization			(1)
Net periodic pension cost	$ 4	$ 4	$ 3