Financing (Long-Term Debt Repayments) (Narrative) (Details) € in Millions, SFr in Millions, $ in Millions	Dec. 31, 2025 USD ($)	Oct. 10, 2025 CHF (SFr)	Sep. 15, 2025 USD ($)	Dec. 31, 2024 USD ($)	Nov. 15, 2024 USD ($)	Apr. 02, 2024 EUR (€)	Dec. 08, 2023 CHF (SFr)
Debt Instrument [Line Items]
Debt instrument, face amount | SFr		SFr 1,250
Senior notes | 3.35% senior unsecured notes due 2025
Debt Instrument [Line Items]
Debt instrument, face amount | $	$ 500		$ 500	$ 500
Interest rate of debt instrument	3.35%			3.35%
Senior notes | 2.2% senior unsecured notes due 2024
Debt Instrument [Line Items]
Debt instrument, face amount | $					$ 700
Interest rate of debt instrument					2.20%
Senior notes | 1.7% senior unsecured notes due 2024
Debt Instrument [Line Items]
Debt instrument, face amount | €						€ 900
Interest rate of debt instrument						1.70%
Bonds | 0.5% senior unsecured bonds due 2023
Debt Instrument [Line Items]
Debt instrument, face amount | SFr							SFr 540
Interest rate of debt instrument							0.50%