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Financial Instruments, Derivatives and Hedging Activities - Additional information - CF hedges (Details) - Cash Flow Hedging - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Hedging relationships
Amount of Gains (Losses) Recognized in OCI	$ (19)	$ 8	$ (16)
Gain (loss) reclassified from accumulated OCI into earnings	(14)	(6)	(6)
Commodity Contracts
Hedging relationships
Amount of Gains (Losses) Recognized in OCI	(24)	8	(22)
Commodity Contracts | Cost of sales
Hedging relationships
Gain (loss) reclassified from accumulated OCI into earnings	(12)	(6)	(5)
Foreign Currency Contracts
Hedging relationships
Amount of Gains (Losses) Recognized in OCI	5		6
Foreign Currency Contracts | Net sales
Hedging relationships
Gain (loss) reclassified from accumulated OCI into earnings		1	1
Interest Rate Contracts | Financing costs, net
Hedging relationships
Gain (loss) reclassified from accumulated OCI into earnings	$ (2)	$ (1)	$ (2)

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