Pension Benefit Plans (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Components of net periodic pension cost
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
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
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
Pension Benefit Plans.
Components of net periodic pension cost
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
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
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
Pension Benefit Plans. | U.S.
Components of net periodic pension cost
Service cost	$ 1	$ 2	$ 4	$ 5
Interest cost	11	11	32	34
Expected asset return	(13)	(14)	(40)	(42)
Actuarial loss	3	2	10	7
Net postretirement benefit (income) cost	2	1	6	4
Pension Benefit Plans. | Non-U.S.
Components of net periodic pension cost
Service cost	2	2	7	6
Interest cost	9	9	27	27
Expected asset return	(8)	(7)	(24)	(21)
Actuarial loss	3	2	8	6
Net postretirement benefit (income) cost	$ 6	$ 6	$ 18	$ 18