Financial Instruments, Derivatives and Hedging Activities - Additional information - CF hedges (Details) - Cash Flow Hedging - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Hedging relationships
Gains (Losses) Recognized in OCI	$ (46)	$ (12)
Gains (Losses) Reclassified from AOCI into Income	6	(2)
Commodity Contracts
Hedging relationships
Gains (Losses) Recognized in OCI	(37)	(10)
Commodity Contracts \| Cost of sales
Hedging relationships
Gains (Losses) Reclassified from AOCI into Income	7	2
Foreign Currency Contracts
Hedging relationships
Gains (Losses) Recognized in OCI	(5)	(2)
Foreign Currency Contracts \| Net sales/Cost of sales
Hedging relationships
Gains (Losses) Reclassified from AOCI into Income	(1)	(3)
Interest Rate Contracts
Hedging relationships
Gains (Losses) Recognized in OCI	$ (4)
Interest Rate Contracts \| Financing costs, net
Hedging relationships
Gains (Losses) Reclassified from AOCI into Income		$ (1)

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