CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Loss) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 27, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019
Statement Of Income And Comprehensive Income [Abstract]
Net loss	$ (439)	$ (24)	$ (394)	$ (16)
Other comprehensive income (loss), net of tax, where applicable:
Foreign currency translation adjustments	13	5	(28)	15
Other			(1)	1
Total other comprehensive income (loss), net of tax, where applicable	13	5	(29)	$ 16
Comprehensive loss	$ (426)	$ (19)	$ (423)