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Commitments and Contingencies (Tables)
 9 Months Ended
Apr. 30, 2022
Commitments and Contingencies Disclosure [Abstract]  
Purchase Commitments with Contract Manufacturers and Suppliers
The following table summarizes our inventory purchase commitments with contract manufacturers and suppliers by period (in millions):
April 30,
2022		July 31,
2021
Less than 1 year$10,698 $6,903 
1 to 3 years2,401 1,806 
3 to 5 years— 1,545 
Total$13,099 $10,254 
Compensation Expense Related to Business Acquisitions
The following table summarizes the compensation expense related to acquisitions (in millions):
Three Months EndedNine Months Ended
April 30, 2022May 1, 2021April 30, 2022May 1, 2021
Compensation expense related to acquisitions$56 $66 $220 $182 
Schedule of Product Warranty Liability
The following table summarizes the activity related to the product warranty liability (in millions):
Nine Months Ended
April 30,
2022		May 1,
2021
Balance at beginning of period$336 $331 
Provisions for warranties issued320 382 
Adjustments for pre-existing warranties1 1 
Settlements (322)(373)
Balance at end of period$335 $341 
Schedule of Guarantor Obligations The aggregate amounts of financing guarantees outstanding at April 30, 2022 and July 31, 2021, 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):
April 30,
2022		July 31,
2021
Maximum potential future payments relating to financing guarantees:
Channel partner$144 $155 
End user4 5 
Total$148 $160 
Deferred revenue associated with financing guarantees:
Channel partner$(15)$(16)
End user(4)(5)
Total$(19)$(21)
Total$129 $139