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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Derivative Instruments - Effects of Derivative Instruments (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Derivatives not designated as hedging instruments \| Foreign exchange contracts
Derivatives and Hedges
Amount of Gain (Loss) Recognized in Other income (expense), net	$ 1		$ 7
Derivatives designated as hedging instruments
Derivatives and Hedges
Amount of Gain (Loss) Recognized in OCI (Effective Portion)	(2)	$ 18	7	$ 6
Amount of Gain (Loss) Reclassified from Accumulated OCI into Income	(6)	18	(17)	9
Derivatives designated as hedging instruments \| Net Investment Hedges
Derivatives and Hedges
Amount of Gain (Loss) Recognized in OCI (Effective Portion)	5		5
Amount of Gain (Loss) Reclassified from Accumulated OCI into Income	(4)		(4)
Derivatives designated as hedging instruments \| Commodity forwards contracts \| Cash Flow Hedges \| Cost of goods sold
Derivatives and Hedges
Amount of Gain (Loss) Recognized in OCI (Effective Portion)	(1)	4	1	5
Amount of Gain (Loss) Reclassified from Accumulated OCI into Income			(1)	(1)
Derivatives designated as hedging instruments \| Foreign exchange contracts \| Cash Flow Hedges \| Other expense, net
Derivatives and Hedges
Amount of Gain (Loss) Recognized in OCI (Effective Portion)	(5)	14	2	1
Amount of Gain (Loss) Reclassified from Accumulated OCI into Income	(2)	$ 18	(12)	$ 10
Derivatives designated as hedging instruments \| Interest rate swaps \| Cash Flow Hedges \| Interest expense, net
Derivatives and Hedges
Amount of Gain (Loss) Recognized in OCI (Effective Portion)	$ (1)		$ (1)