Derivative Instruments - (Loss) Gain Recognized In Income (Details) - Derivative instruments not designated as hedges - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 26, 2020	Sep. 28, 2019	Sep. 26, 2020	Sep. 28, 2019
Derivative Instruments, Gain (Loss) [Line Items]
Total losses recognized in income	$ (5)	$ (5)	$ (55)	$ (31)
Foreign exchange contracts | Foreign exchange (loss) gain
Derivative Instruments, Gain (Loss) [Line Items]
Total losses recognized in income	(1)	(1)	(9)	(4)
Forward interest rate swaps | Interest expense, net
Derivative Instruments, Gain (Loss) [Line Items]
Total losses recognized in income	$ (4)	$ (4)	$ (46)	$ (27)