Financial Instruments Derivative Notional Amounts (Details) € in Millions, kr in Millions, SFr in Millions, $ in Millions	Sep. 30, 2025 USD ($)	Sep. 30, 2025 EUR (€)	Sep. 30, 2025 DKK (kr)	Sep. 30, 2025 CHF (SFr)	Dec. 31, 2024 USD ($)	Dec. 31, 2024 EUR (€)	Dec. 31, 2024 DKK (kr)	Dec. 31, 2024 CHF (SFr)
Foreign exchange derivative instruments
Derivative [Line Items]
Derivative notional amount	$ 250	€ 925	kr 400	SFr 25	$ 250	€ 800	kr 475	SFr 25
Derivatives Not Designated as Hedging Instruments: | Foreign currency forward-exchange contracts
Derivative [Line Items]
Derivative notional amount	2,048				2,070
Derivatives Designated as Hedging Instruments: | Forward-starting interest rate swaps
Derivative [Line Items]
Derivative notional amount	$ 0				$ 300