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Acquisitions and Divestitures - Summary of Allocation of Total Purchase Consideration (Details)
$ in Millions
9 Months Ended
Apr. 25, 2020
USD ($)
acquisition
Business Combinations [Abstract]  
Number of acquisitions | acquisition 5
Purchase Consideration $ 262
Net Tangible Assets Acquired (Liabilities Assumed) (13)
Purchased Intangible Assets 145
Goodwill $ 130