Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Millions	3 Months Ended
	Oct. 02, 2020	Oct. 04, 2019
Statement of Comprehensive Income [Abstract]
Net loss	$ (60)	$ (276)
Other comprehensive income (loss), before tax:
Actuarial pension gain	1	1
Foreign currency translation adjustment	32	5
Net unrealized gain (loss) on derivative contracts and available-for-sale securities	30	(33)
Total other comprehensive income (loss), before tax	63	(27)
Income tax benefit (expense) related to items of other comprehensive income (loss), before tax	(7)	5
Net current-period other comprehensive loss	56	(22)
Total comprehensive loss	$ (4)	$ (298)