Derivatives - Impact on Net Income (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Foreign Exchange Forward | Cost of sales
Derivative Instruments, Gain (Loss) [Line Items]
Amount of (Gain) Loss Recognized in Income				$ 3
Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Amount of (Gain) Loss Recognized in Income	$ 38	$ 2	$ 64	13
Not Designated as Hedging Instrument | Commodity Contract | Cost of sales
Derivative Instruments, Gain (Loss) [Line Items]
Amount of (Gain) Loss Recognized in Income	34	(3)	51	12
Not Designated as Hedging Instrument | Commodity Contract | SG&A expenses
Derivative Instruments, Gain (Loss) [Line Items]
Amount of (Gain) Loss Recognized in Income	(9)	2	36	(12)
Not Designated as Hedging Instrument | Interest Rate Contract | Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Amount of (Gain) Loss Recognized in Income	5	2	9	4
Not Designated as Hedging Instrument | Foreign Exchange Forward | Cost of sales
Derivative Instruments, Gain (Loss) [Line Items]
Amount of (Gain) Loss Recognized in Income	3	1	(20)
Not Designated as Hedging Instrument | Foreign Exchange Forward | Other expense, net
Derivative Instruments, Gain (Loss) [Line Items]
Amount of (Gain) Loss Recognized in Income	$ 5	$ 0	$ (12)	$ 6