Financial Instruments - Summary of Derivative Instruments Gain (Losses) (Details) - USD ($)		3 Months Ended		9 Months Ended
		Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Summary of Derivative Instruments Gains (Losses) [Abstract]
Derivative gain (loss) recognized in OCI (effective portion)		$ 4,000,000		$ 10,000,000
Derivative gain (loss) recognized in OCI (effective portion)			$ (13,000,000)		$ (3,000,000)
Derivative gain (loss) reclassified from AOCL to income - Cost of sales (effective portion)	[1]	3,000,000		6,000,000
Senior Note 2021 | Fair Value Hedges
Summary of Derivative Instruments Gains (Losses) [Abstract]
During the three and nine months ended September 30, 2019 and 2018, no amount of ineffectiveness was recorded in the Condensed Consolidated Statements of Income for these designated cash flow hedges and all components of each derivative’s gain or (loss) were included in the assessment of hedge effectiveness				0
Interest Rate Contract | Fair Value Hedges | Interest Expense
Summary of Derivative Instruments Gains (Losses) [Abstract]
Derivative gain (loss) recognized in interest expense		0	(1,000,000)	5,000,000	(7,000,000)
Hedged item (loss) gain recognized in interest expense		0	1,000,000	(5,000,000)	7,000,000
Foreign exchange contracts - forwards | Cash Flow Hedges
Summary of Derivative Instruments Gains (Losses) [Abstract]
Derivative gain (loss) recognized in OCI (effective portion)		4,000,000		10,000,000
Derivative gain (loss) recognized in OCI (effective portion)			(13,000,000)		(3,000,000)
Foreign exchange contracts - forwards | Cash Flow Hedges | Cost of Sales
Summary of Derivative Instruments Gains (Losses) [Abstract]
Derivative gain (loss) reclassified from AOCL to income - Cost of sales (effective portion)		3,000,000		6,000,000
Derivative gain (loss) reclassified from AOCL to income - Cost of sales (effective portion)			(1,000,000)		(13,000,000)
During the three and nine months ended September 30, 2019 and 2018, no amount of ineffectiveness was recorded in the Condensed Consolidated Statements of Income for these designated cash flow hedges and all components of each derivative’s gain or (loss) were included in the assessment of hedge effectiveness		0		0
During the three and nine months ended September 30, 2019 and 2018, no amount of ineffectiveness was recorded in the Condensed Consolidated Statements of Income for these designated cash flow hedges and all components of each derivative’s gain or (loss) were included in the assessment of hedge effectiveness			0		0
Derivative, underlying exposure		$ 0	$ 0	$ 0	$ 0

[1] Reclassified to Cost of sales - refer to Note 14 - Financial Instruments for additional information regarding our cash flow hedges.