Derivative Instruments - (Loss) Gain Recognized In Income (Details) - Derivative instruments not designated as hedges - USD ($) $ in Millions	3 Months Ended
	Mar. 30, 2019	Mar. 31, 2018
Derivative Instruments, Gain (Loss) [Line Items]
Total (loss) gain recognized in income	$ (10)	$ 13
Foreign exchange contracts | Foreign exchange loss
Derivative Instruments, Gain (Loss) [Line Items]
Total (loss) gain recognized in income	(2)	0
Forward interest rate swaps | Interest expense, net
Derivative Instruments, Gain (Loss) [Line Items]
Total (loss) gain recognized in income	$ (8)	$ 13