Risk Management - Summary of Derivative Instruments and the Effect on the Condensed Consolidated Statements of Operations (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 30, 2019	Mar. 31, 2018
Derivative Instruments, Gain (Loss) [Line Items]
Effective portion	$ 2	$ (3)
Foreign exchange contracts
Derivative Instruments, Gain (Loss) [Line Items]
Forward points recognized	1	0
Not Designated As Hedging Instruments \| Foreign exchange contracts
Derivative Instruments, Gain (Loss) [Line Items]
Undesignated derivatives recognized	$ (4)	$ (4)

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No definition available.

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The net gain (loss) relating to components of the gain (loss) on foreign currency cash flow hedging instruments excluded from the assessment of hedge effectiveness. Recognized in earnings.

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Amount of gain (loss) recognized in earnings in the period from the increase (decrease) in fair value of foreign currency derivatives not designated as hedging instruments.

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Amount, before tax and reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness.

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