Goodwill and Purchased Intangible Assets - Schedule of Intangible Assets Acquired Through Business Combinations (Details)	6 Months Ended
	Jan. 25, 2020 USD ($) acquisition
Intangible Assets Acquired Through Business Combinations
Total, amount	$ 108,000,000
Number of acquisitions | acquisition	4
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)	5 years
Finite lives, amount	$ 108,000,000
CUSTOMER RELATIONSHIPS
Intangible Assets Acquired Through Business Combinations
Weighted- Average Useful Life (in Years)	0 years
Finite lives, amount	$ 0
OTHER
Intangible Assets Acquired Through Business Combinations
Weighted- Average Useful Life (in Years)	0 years
Finite lives, amount	$ 0