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Derivative instruments - Fair Value of Derivatives (Details) - USD ($) $ in Millions | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Derivatives Fair Value [Line Items] |  |
Derivative assets | $ 225 | $ 145
Derivative liabilities | 1,072 | 1,092
Derivatives designated as hedging instrument |  |
Derivatives Fair Value [Line Items] |  |
Derivative assets | 225 | 145
Derivative liabilities | 1,072 | 1,092
Derivatives designated as hedging instrument | Foreign currency forward contracts | Other Current Noncurrent Assets |  |
Derivatives Fair Value [Line Items] |  |
Derivative assets | 225 | 145
Derivatives designated as hedging instrument | Foreign currency forward contracts | Accrued Liabilities Other Non Current Liabilities |  |
Derivatives Fair Value [Line Items] |  |
Derivative liabilities | 43 | 116
Derivatives designated as hedging instrument | Cross-currency swap contracts | Other Current Noncurrent Assets |  |
Derivatives Fair Value [Line Items] |  |
Derivative assets | 0 | 0
Derivatives designated as hedging instrument | Cross-currency swap contracts | Accrued Liabilities Other Non Current Liabilities |  |
Derivatives Fair Value [Line Items] |  |
Derivative liabilities | 429 | 405
Derivatives designated as hedging instrument | Interest rate swap contracts | Other Current Noncurrent Assets |  |
Derivatives Fair Value [Line Items] |  |
Derivative assets | 0 | 0
Derivatives designated as hedging instrument | Interest rate swap contracts | Accrued Liabilities Other Non Current Liabilities |  |
Derivatives Fair Value [Line Items] |  |
Derivative liabilities | 600 | 571
Derivatives designated as hedging instrument | Forward interest rate contracts | Other Current Noncurrent Assets |  |
Derivatives Fair Value [Line Items] |  |
Derivative assets | 0 | 0
Derivatives designated as hedging instrument | Forward interest rate contracts | Accrued Liabilities Other Non Current Liabilities |  |
Derivatives Fair Value [Line Items] |  |
Derivative liabilities | $ 0 | $ 0

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- 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. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483444/210-20-55-22 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483466/210-20-50-3 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483444/210-20-55-7 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4B Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 4D -Subparagraph (c)(2) -SubTopic 20 -Topic 860 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481326/860-20-50-4D + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483444/210-20-55-22 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483466/210-20-50-3 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483444/210-20-55-7 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4B Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 4D -Subparagraph (c)(2) -SubTopic 20 -Topic 860 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481326/860-20-50-4D + Details
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