Derivative and Other Financial Instruments - Cash Flow Hedges (Details) - USD ($) $ in Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019
Derivative Instruments, Gain (Loss) [Line Items]
Net sales	$ 2,689		$ 3,035		$ 5,446	$ 5,790
Cost of products sold	2,155		2,417		4,375	4,627
Income Tax Expense (Benefit)	(53)		(88)		(91)	(136)
Net income	141	$ 114	174	$ 131	255	305
Designated as Hedging Instrument | Derivatives in cash flow hedges
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain/(loss) recognized in AOCI (effective portion)	4		(16)		(35)	(10)
Designated as Hedging Instrument | Derivatives in cash flow hedges | Reclassification out of Accumulated Other Comprehensive Income
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain/(loss) reclassified from AOCI into earnings, before tax	(24)		(9)		(33)	(17)
Income Tax Expense (Benefit)	7		2		9	4
Net income	(17)		(7)		(24)	(13)
Designated as Hedging Instrument | Foreign exchange | Derivatives in cash flow hedges
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain/(loss) recognized in AOCI (effective portion)	2		2		3	(2)
Designated as Hedging Instrument | Foreign exchange | Derivatives in cash flow hedges | Reclassification out of Accumulated Other Comprehensive Income
Derivative Instruments, Gain (Loss) [Line Items]
Net sales	(2)		0		(3)	(1)
Cost of products sold	1		(1)		0	(1)
Designated as Hedging Instrument | Interest Rate Swap | Derivatives in cash flow hedges
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain/(loss) recognized in AOCI (effective portion)	0		0		(1)	0
Designated as Hedging Instrument | Commodities | Derivatives in cash flow hedges
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain/(loss) recognized in AOCI (effective portion)	2		(18)		(37)	(8)
Designated as Hedging Instrument | Commodities | Derivatives in cash flow hedges | Reclassification out of Accumulated Other Comprehensive Income
Derivative Instruments, Gain (Loss) [Line Items]
Net sales	7		3		10	6
Cost of products sold	$ (30)		$ (11)		$ (40)	$ (21)