Fair Value Measurements and Financial Instruments - Schedule of Gain (Loss) on Hedges Recognized in Income (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Cost of sales
Derivative Instruments, Gain (Loss) [Line Items]
Total gain (loss) on hedges recognized in income	$ 1	$ (2)	$ 5	$ (8)
Cost of sales | Interest Rate Swaps
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative instrument	0	0	0	0
Gain (loss) on hedged items	0	0	0	0
Cost of sales | Foreign Currency Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative instrument	0	0	0	0
Gain (loss) on hedged items	0	0	0	0
Amount reclassified from OCI	1		4
Cost of sales | Commodity contracts
Derivative Instruments, Gain (Loss) [Line Items]
Amount reclassified from OCI	0		1
Cost of sales | Cash Flow Hedges | Foreign Currency Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Amount reclassified from OCI		(2)		(8)
Cost of sales | Cash Flow Hedges | Commodity contracts
Derivative Instruments, Gain (Loss) [Line Items]
Amount reclassified from OCI		0		0
Selling, general and administrative expenses
Derivative Instruments, Gain (Loss) [Line Items]
Total gain (loss) on hedges recognized in income	0	0	0	0
Selling, general and administrative expenses | Interest Rate Swaps
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative instrument	0	0	0	0
Gain (loss) on hedged items	0	0	0	0
Selling, general and administrative expenses | Foreign Currency Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative instrument	11	6	10	(7)
Gain (loss) on hedged items	(11)	(6)	(10)	7
Amount reclassified from OCI	0		0
Selling, general and administrative expenses | Commodity contracts
Derivative Instruments, Gain (Loss) [Line Items]
Amount reclassified from OCI	0		0
Selling, general and administrative expenses | Cash Flow Hedges | Foreign Currency Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Amount reclassified from OCI		0		0
Selling, general and administrative expenses | Cash Flow Hedges | Commodity contracts
Derivative Instruments, Gain (Loss) [Line Items]
Amount reclassified from OCI		0		0
Interest (income) expense, net
Derivative Instruments, Gain (Loss) [Line Items]
Total gain (loss) on hedges recognized in income	0	0	0	0
Interest (income) expense, net | Interest Rate Swaps
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative instrument	(10)	(1)	(13)	(11)
Gain (loss) on hedged items	10	1	13	11
Interest (income) expense, net | Foreign Currency Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative instrument	0	0	0	0
Gain (loss) on hedged items	0	0	0	0
Amount reclassified from OCI	0		0
Interest (income) expense, net | Commodity contracts
Derivative Instruments, Gain (Loss) [Line Items]
Amount reclassified from OCI	$ 0		$ 0
Interest (income) expense, net | Cash Flow Hedges | Foreign Currency Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Amount reclassified from OCI		0		0
Interest (income) expense, net | Cash Flow Hedges | Commodity contracts
Derivative Instruments, Gain (Loss) [Line Items]
Amount reclassified from OCI		$ 0		$ 0