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Derivative instruments (Fair Value of Derivatives) (Details) - Derivatives designated as hedging instrument - USD ($) $ in Millions | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Assets |  |
Total derivative assets, fair value | $ 645 | $ 265
Liabilities |  |
Total derivative liabilities, fair value | 1,586 | 534
Foreign currency contracts | Other current assets/ Other noncurrent assets |  |
Assets |  |
Total derivative assets, fair value | 639 | 183
Foreign currency contracts | Accrued liabilities/ Other noncurrent liabilities |  |
Liabilities |  |
Total derivative liabilities, fair value | 22 | 39
Cross-currency swap contracts | Other current assets/ Other noncurrent assets |  |
Assets |  |
Total derivative assets, fair value | 6 | 66
Cross-currency swap contracts | Accrued liabilities/ Other noncurrent liabilities |  |
Liabilities |  |
Total derivative liabilities, fair value | 754 | 339
Interest rate swap contracts | Other current assets/ Other noncurrent assets |  |
Assets |  |
Total derivative assets, fair value | 0 | 16
Interest rate swap contracts | Accrued liabilities/ Other noncurrent liabilities |  |
Liabilities |  |
Total derivative liabilities, fair value | $ 810 | $ 156

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