Derivative Instruments - Effects of Derivative Instruments (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Derivatives not designated as hedging instruments \| Foreign exchange derivative contracts
Derivatives and Hedges
Amount of Gain (Loss) Recognized in Other income (expense), net	$ (2)	$ 1	$ 10	$ 7
Derivatives designated as hedging instruments
Derivatives and Hedges
Gain (Loss) Recognized in OCI (Effective Portion)	(63)	(7)	5	7
Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	(50)	4	11	14
Derivatives designated as hedging instruments \| Net Investment Hedges \| Interest expense, net
Derivatives and Hedges
Gain (Loss) Recognized in OCI (Effective Portion)	(8)		(3)	5
Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	2	2	3	3
Derivatives designated as hedging instruments \| Commodity forward contracts \| Cash Flow Hedges \| Cost of goods sold
Derivatives and Hedges
Gain (Loss) Recognized in OCI (Effective Portion)	1	(1)	(2)	1
Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)				(1)
Derivatives designated as hedging instruments \| Foreign exchange risk \| Cash Flow Hedges \| Other expense, net
Derivatives and Hedges
Gain (Loss) Recognized in OCI (Effective Portion)	(56)	(5)	10	2
Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	(51)	2	9	12
Derivatives designated as hedging instruments \| Interest rate risk \| Cash Flow Hedges \| Interest expense, net
Derivatives and Hedges
Gain (Loss) Recognized in OCI (Effective Portion)		$ (1)		$ (1)
Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	$ (1)		$ (1)

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
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