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Commitments and Contingencies (Tables)
 3 Months Ended
Oct. 24, 2020
Commitments and Contingencies Disclosure [Abstract]  
Compensation Expense Related to Business Acquisitions
The following table summarizes the compensation expense related to acquisitions (in millions):
Three Months Ended
October 24, 2020October 26, 2019
Compensation expense related to acquisitions$57 $61 
Schedule of Product Warranty Liability
The following table summarizes the activity related to the product warranty liability (in millions):
Three Months Ended
October 24,
2020		October 26,
2019
Balance at beginning of period$331 $342 
Provisions for warranties issued121 140 
Adjustments for pre-existing warranties1 (3)
Settlements (122)(149)
Balance at end of period$331 $330 
Schedule of Guarantor Obligations The aggregate amounts of financing guarantees outstanding at October 24, 2020 and July 25, 2020, representing the total maximum potential future payments under financing arrangements with third parties along with the related deferred revenue, are summarized in the following table (in millions):
October 24,
2020		July 25,
2020
Maximum potential future payments relating to financing guarantees:
Channel partner$193 $198 
End user8 9 
Total$201 $207 
Deferred revenue associated with financing guarantees:
Channel partner$(25)$(19)
End user(8)(9)
Total$(33)$(28)
Total$168 $179