XML 43 R31.htm IDEA: XBRL DOCUMENT v3.22.1
Revenue (Tables)
 9 Months Ended
Apr. 30, 2022
Revenue from Contract with Customer [Abstract]  
Disaggregation of Revenue The following table presents this disaggregation of revenue (in millions):
Three Months EndedNine Months Ended
April 30,
2022		May 1,
2021		April 30,
2022		May 1,
2021
Product revenue:
Secure, Agile Networks$5,869 $5,620 $17,735 $16,543 
Internet for the Future1,324 1,249 4,021 3,121 
Collaboration1,132 1,220 3,308 3,580 
End-to-End Security938 876 2,716 2,559 
Optimized Application Experiences183 170 544 483 
Other Products2 5 7 11 
Total Product9,448 9,139 28,330 26,298 
Services3,387 3,664 10,125 10,394 
Total$12,835 $12,803 $38,455 $36,692 
The following table presents revenue for groups of similar products and services (in millions):
Three Months EndedNine Months Ended
April 30,
2022		May 1,
2021		April 30,
2022		May 1,
2021
Revenue:
Secure, Agile Networks$5,869 $5,620 $17,735 $16,543 
Internet for the Future1,324 1,249 4,021 3,121 
Collaboration1,132 1,220 3,308 3,580 
End-to-End Security938 876 2,716 2,559 
Optimized Application Experiences183 170 544 483 
Other Products2 5 7 11 
Total Product9,448 9,139 28,330 26,298 
Services3,387 3,664 10,125 10,394 
Total$12,835 $12,803 $38,455 $36,692 
Allowance for Credit Loss for Accounts Receivable
The allowances for credit loss for our accounts receivable are summarized as follows (in millions):
Three Months EndedNine Months Ended
April 30, 2022May 1, 2021April 30, 2022May 1, 2021
Allowance for credit loss at beginning of period$70 $102 $109 $143 
Provisions (benefits)17 16 53 15 
Recoveries (write-offs), net(9)(8)(75)(22)
Foreign exchange and other— — (9)(26)
Allowance for credit loss at end of period$78 $110 $78 $110 
Schedule of Gross Contract Assets by Internal Risk Ratings
Gross contract assets by our internal risk ratings are summarized as follows (in millions):
April 30,
2022		July 31,
2021
1 to 4$422 $521 
5 to 6807 770 
7 and Higher169 166 
Total$1,398 $1,457