Pension Benefits - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, unrecognized net gain (loss) amortization threshold	10.00%
Defined Benefit Plan, Accumulated Other Comprehensive Income (Loss), Gain (Loss), before Tax	$ (1)	$ 2
Defined Benefit Plan, Expected Future Contributions in Next Fiscal Year	4
Defined Benefit Plan, Plan Assets, Benefits Paid	(4)	(3)	$ (5)
Pension Plan | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, funded status at end of year	(8)	(13)
Defined Benefit Plan, Plan Assets, Amount	67	57	46
Defined Benefit Plan, employer contribution	$ 6	$ 10	$ 10
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Interest Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]	General and administrative	General and administrative	General and administrative
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Expected Return (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	General and administrative	General and administrative	General and administrative
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Amortization of Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	General and administrative	General and administrative	General and administrative
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Settlement Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	General and administrative	General and administrative	General and administrative