Derivative Instruments - Effects of Derivative Instruments (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Derivatives not designated as hedging instruments \| Foreign exchange contracts
Derivatives and Hedges
Amount of Gain (Loss) Recognized in Other income (expense), net	$ 12	$ 6
Derivatives designated as hedging instruments
Derivatives and Hedges
Gain (Loss) Recognized in OCI (Effective Portion)	(73)	14
Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	62	(12)
Derivatives designated as hedging instruments \| Net Investment Hedges
Derivatives and Hedges
Gain (Loss) Recognized in OCI (Effective Portion)	(4)	5
Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	2	(2)
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)	(3)	2
Derivatives designated as hedging instruments \| Foreign exchange risk \| Cash Flow Hedges \| Other expense, net
Derivatives and Hedges
Gain (Loss) Recognized in OCI (Effective Portion)	(66)	7
Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	$ 60	$ (10)

Amount of unrealized gain (loss) arising from the change in fair value of price risk derivatives designated as cash flow hedging instruments recorded in accumulated other comprehensive income in the period, before taxes, to the extent that the cash flow hedge is determined to be effective.

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Amount of gain (loss) recognized in earnings in the period from the increase (decrease) in fair value of foreign currency derivatives not designated as hedging instruments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
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The amount of net gains or losses on price risk cash flow hedges reclassified during the period to earnings from accumulated other comprehensive income.

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