Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 27, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 157	$ 35	$ 319	$ 51
Other comprehensive income (loss), net of tax of zero:
Net change in unrealized gains (losses) on cash flow hedges	10	1	(4)	8
Total comprehensive income	$ 167	$ 36	$ 315	$ 59