Income Tax Expense - Components of Provision for Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Jul. 03, 2020	Jun. 28, 2019	Jun. 29, 2018
Current:
Foreign	$ 157	$ 181	$ 166
Domestic - Federal	124	(91)	1,597
Domestic - State	5	3	(5)
Current income tax expense (benefit)	286	93	1,758
Deferred:
Foreign	(29)	226	(39)
Domestic - Federal	(53)	141	(300)
Domestic - State	0	7	(9)
Deferred income tax expense (benefit)	(82)	374	(348)
Income tax expense (benefit)	$ 204	$ 467	$ 1,410