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