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Derivative instruments - Fair Value of Derivatives (Details) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Derivatives Fair Value [Line Items]
Derivative assets	$ 270	$ 145
Derivative liabilities	1,027	1,092
Derivatives designated as hedging instrument
Derivatives Fair Value [Line Items]
Derivative assets	270	145
Derivative liabilities	1,027	1,092
Derivatives designated as hedging instrument | Foreign currency forward contracts | Other current assets/ Other noncurrent assets
Derivatives Fair Value [Line Items]
Derivative assets	270	145
Derivatives designated as hedging instrument | Foreign currency forward contracts | Accrued liabilities/ Other noncurrent liabilities
Derivatives Fair Value [Line Items]
Derivative liabilities	28	116
Derivatives designated as hedging instrument | Cross-currency swap contracts | Other current assets/ Other noncurrent assets
Derivatives Fair Value [Line Items]
Derivative assets	0	0
Derivatives designated as hedging instrument | Cross-currency swap contracts | Accrued liabilities/ Other noncurrent liabilities
Derivatives Fair Value [Line Items]
Derivative liabilities	435	405
Derivatives designated as hedging instrument | Interest rate swap contracts | Other current assets/ Other noncurrent assets
Derivatives Fair Value [Line Items]
Derivative assets	0	0
Derivatives designated as hedging instrument | Interest rate swap contracts | Accrued liabilities/ Other noncurrent liabilities
Derivatives Fair Value [Line Items]
Derivative liabilities	564	571
Derivatives designated as hedging instrument | Forward interest rate contracts | Other current assets/ Other noncurrent assets
Derivatives Fair Value [Line Items]
Derivative assets	0	0
Derivatives designated as hedging instrument | Forward interest rate contracts | Accrued liabilities/ Other noncurrent liabilities
Derivatives Fair Value [Line Items]
Derivative liabilities	$ 0	$ 0

X

- Definition

Fair value, before effects of master netting arrangements, of a financial asset or other 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 assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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- Definition

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