Financial Instruments - Economic Hedges (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Embedded derivatives, loss	$ (14,000,000)		$ (9,000,000)
Embedded derivatives, gain		$ 1,000,000		$ 0
Not designated as hedging instrument, economic hedge
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Total	40,000,000	(14,000,000)	110,000,000	(21,000,000)
Not designated as hedging instrument, economic hedge | Currency exchange contracts | Cost of goods sold
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gains (losses) from derivatives	5,000,000	(8,000,000)	(9,000,000)	(13,000,000)
Not designated as hedging instrument, economic hedge | Currency exchange contracts | Selling, general and administrative
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gains (losses) from derivatives	32,000,000	(7,000,000)	109,000,000	(11,000,000)
Not designated as hedging instrument, economic hedge | Commodity derivatives | Cost of goods sold
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gains (losses) from derivatives	3,000,000	2,000,000	2,000,000	2,000,000
Not designated as hedging instrument, economic hedge | Other derivatives | Other non-operating loss, net
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gains (losses) from derivatives	$ 0	$ (1,000,000)	$ 8,000,000	$ 1,000,000