Financial Instruments - Net Investment Hedge Derivative Contracts (Details) - Net Investment Hedging - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Derivative [Line Items]
Gain/(loss) on NIH contracts	[1]	$ (1,025)	$ 394	$ (242)
Amounts excluded from the assessment of hedge effectiveness	[2]	264	186	148
Foreign currency contracts
Derivative [Line Items]
Gain/(loss) on NIH contracts	[1]	(416)	38	88
Amounts excluded from the assessment of hedge effectiveness	[2]	117	7	28
Cross-currency swap contracts
Derivative [Line Items]
Gain/(loss) on NIH contracts	[1]	(609)	356	(330)
Amounts excluded from the assessment of hedge effectiveness	[2]	$ 147	$ 179	$ 120

[1] Amounts recorded for unsettled and settled NIH derivative contracts are recorded within the cumulative translation adjustment section of other comprehensive earnings/(losses).

[2] We assess the effectiveness of NIH relationships based on spot rates and amortize the initial value attributable to the excluded component to earnings over the life of the hedging instrument within interest and other expense, net.