Fair Value Measurements and Derivatives - Location and Amount of Gain or (Loss) Recognized in Income on Cash Flow Hedging Relationships (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Net sales	$ 2,306	$ 2,054	$ 4,469	$ 4,192
Cost of sales	1,980	1,746	3,843	3,577
Other expense, net	10	10	23	10
Cash Flow Hedging [Member] \| Currency Swap [Member] \| Other Expense, Net [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Reclassification from AOCI	15	$ (64)	(8)	(33)
Cash Flow Hedging [Member] \| Forward Contracts [Member] \| Sales Revenue, Net [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Reclassification from AOCI
Cash Flow Hedging [Member] \| Forward Contracts [Member] \| Cost of Sales [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Reclassification from AOCI	$ (3)		$ (5)	$ (2)

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

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