Supplemental Financial Statement Data - Intangible Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Jul. 03, 2020	Jun. 28, 2019
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 5,541	$ 5,824
Total intangible assets, gross	5,621	5,896
Accumulated Amortization	(4,680)	(4,185)
Total future amortization expense	861	1,639
Total intangible assets, net	$ 941	$ 1,711
Existing technology
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period	3 years	3 years
Gross Carrying Amount	$ 4,248	$ 4,332
Accumulated Amortization	(3,852)	(3,316)
Total future amortization expense	$ 396	$ 1,016
Trade names and trademarks
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period	7 years	7 years
Gross Carrying Amount	$ 648	$ 648
Accumulated Amortization	(398)	(310)
Total future amortization expense	$ 250	$ 338
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period	6 years	6 years
Gross Carrying Amount	$ 616	$ 635
Accumulated Amortization	(423)	(372)
Total future amortization expense	$ 193	$ 263
Other
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period		2 years
Gross Carrying Amount		$ 180
Accumulated Amortization		(180)
Total future amortization expense		$ 0
Leasehold interests
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period	31 years	31 years
Gross Carrying Amount	$ 29	$ 29
Accumulated Amortization	(7)	(7)
Total future amortization expense	22	22
In-process research and development
Finite-Lived Intangible Assets [Line Items]
In-process research and development	$ 80	$ 72