Derivative and Other Financial Instruments - Cash Flow Hedges (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Derivative Instruments, Gain (Loss) [Line Items]
Net sales	$ 2,755	$ 2,197
Cost of products sold	2,210	1,808
Income Tax Expense (Benefit)	(48)	(39)
Net income	131	113
Designated as Hedging Instrument | Derivatives in cash flow hedges
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain/(loss) recognized in AOCI (effective portion)	6	(26)
Designated as Hedging Instrument | Derivatives in cash flow hedges | Foreign exchange
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain/(loss) recognized in AOCI (effective portion)	(4)	(3)
Designated as Hedging Instrument | Derivatives in cash flow hedges | Commodities
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain/(loss) recognized in AOCI (effective portion)	10	(23)
Reclassification out of Accumulated Other Comprehensive Income | Designated as Hedging Instrument | Derivatives in cash flow hedges
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain/(loss) reclassified from AOCI into earnings, before tax	(8)	8
Income Tax Expense (Benefit)	2	(2)
Net income	(6)	6
Reclassification out of Accumulated Other Comprehensive Income | Designated as Hedging Instrument | Derivatives in cash flow hedges | Foreign exchange
Derivative Instruments, Gain (Loss) [Line Items]
Net sales	(1)	0
Cost of products sold	0	0
Reclassification out of Accumulated Other Comprehensive Income | Designated as Hedging Instrument | Derivatives in cash flow hedges | Commodities
Derivative Instruments, Gain (Loss) [Line Items]
Net sales	3	(2)
Cost of products sold	$ (10)	$ 10