Goodwill and Purchased Intangible Assets - Schedule of Intangible Assets Acquired Through Business Combinations (Details)	9 Months Ended
	Apr. 25, 2020 USD ($) acquisition
Intangible Assets Acquired Through Business Combinations
Total, amount	$ 145,000,000
Number of acquisitions | acquisition	5
IPR&D
Intangible Assets Acquired Through Business Combinations
Indefinite lives, amount	$ 0
TECHNOLOGY
Intangible Assets Acquired Through Business Combinations
Weighted- Average Useful Life (in Years)	4 years 9 months 18 days
Finite lives, amount	$ 137,000,000
CUSTOMER RELATIONSHIPS
Intangible Assets Acquired Through Business Combinations
Weighted- Average Useful Life (in Years)	4 years
Finite lives, amount	$ 8,000,000
OTHER
Intangible Assets Acquired Through Business Combinations
Weighted- Average Useful Life (in Years)	0 years
Finite lives, amount	$ 0