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Financial Instruments, Derivatives and Fair Value Measures - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Derivative [Line Items]
Derivative liability	$ 957		$ 957		$ 765
Net Investment Hedging | Designated as Hedging Instrument | 2029 Five Year Credit Agreement
Derivative [Line Items]
Debt instrument, term			5 years		5 years
Derivative liability	619		$ 619		$ 583
Foreign Exchange Forward
Derivative [Line Items]
Gains from foreign currency forward exchange contracts not designated as hedges	9	$ (89)	44	$ 46
Foreign Exchange Forward | Not Designated as Hedging Instrument
Derivative [Line Items]
Derivative, notional amount	12,700		12,700		16,200
Foreign Exchange Forward | Cash Flow Hedging | Designated as Hedging Instrument
Derivative [Line Items]
Derivative, notional amount	7,200		$ 7,200		7,000
Minimum length of time over which accumulated gains and losses will be recognized in cost of products sold			12 months
Maximum length of time over which accumulated gains and losses will be recognized in cost of products sold			18 months
Interest Rate Swap | Fair Value Hedging | Designated as Hedging Instrument
Derivative [Line Items]
Derivative, notional amount	$ 1,200		$ 1,200		$ 2,200
Decrease in interest rate contracts due to maturity of derivatives			$ 1,000

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- Definition

Minimum length of time over which the entity is hedging its exposure to the variability in future cash flows for forecasted transactions, excluding those forecasted transactions related to the payment of variable interest on existing financial instruments, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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