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Revenue (Tables) | 12 Months Ended
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Jul. 26, 2025
Revenue from Contract with Customer [Abstract] |
Disaggregation of Revenue | The following table presents this disaggregation of revenue (in millions):
Years Ended | July 26, 2025 |  | July 27, 2024 |  | July 29, 2023
Product revenue: |  |  |  |  |
Networking | $ | 28,304 |  |  | $ | 29,229 |  |  | $ | 34,570 |
Security | 8,094 |  |  | 5,075 |  |  | 3,859 |
Collaboration | 4,154 |  |  | 4,113 |  |  | 4,052 |
Observability | 1,055 |  |  | 837 |  |  | 661 |
Total Product | 41,608 |  |  | 39,253 |  |  | 43,142 |
Services | 15,046 |  |  | 14,550 |  |  | 13,856 |
Total revenue | $ | 56,654 |  |  | $ | 53,803 |  |  | $ | 56,998 |
Our subscription revenue is recorded in product and services revenue in our Consolidated Statements of Operations as follows (in millions):
Years Ended | July 26, 2025 |  | July 27, 2024 |  | July 29, 2023
Product | $ | 17,783 |  |  | $ | 14,078 |  |  | $ | 11,931 |
Services | 13,743 |  |  | 13,302 |  |  | 12,709 |
Total | $ | 31,526 |  |  | $ | 27,380 |  |  | $ | 24,640 |
The following table presents revenue for groups of similar products and services (in millions):
Years Ended | July 26, 2025 |  | July 27, 2024 |  | July 29, 2023
Revenue: |  |  |  |  |
Networking | $ | 28,304 |  |  | $ | 29,229 |  |  | $ | 34,570 |
Security | 8,094 |  |  | 5,075 |  |  | 3,859 |
Collaboration | 4,154 |  |  | 4,113 |  |  | 4,052 |
Observability | 1,055 |  |  | 837 |  |  | 661 |
Total Product | 41,608 |  |  | 39,253 |  |  | 43,142 |
Services | 15,046 |  |  | 14,550 |  |  | 13,856 |
Total | $ | 56,654 |  |  | $ | 53,803 |  |  | $ | 56,998 |
Allowance for Credit Loss for Accounts Receivable | The allowances for credit loss for our accounts receivable are summarized as follows (in millions):
|  | July 26, 2025 |  | July 27, 2024 |  | July 29, 2023
Allowance for credit loss at beginning of fiscal year |  | $ | 87 |  |  | $ | 85 |  |  | $ | 83 |
Provisions |  | 33 |  |  | 36 |  |  | 39 |
Recoveries (write-offs), net |  | (51) |  |  | (34) |  |  | (37) |
Allowance for credit loss at end of fiscal year |  | $ | 69 |  |  | $ | 87 |  |  | $ | 85 |
Schedule of Gross Contract Assets by Internal Risk Ratings | Gross contract assets by our internal risk ratings are summarized as follows (in millions):
| July 26, 2025 |  | July 27, 2024
1 to 4 | $ | 1,358 |  |  | $ | 1,266 |
5 to 6 | 1,868 |  |  | 1,456 |
7 and Higher | 73 |  |  | 72 |
Total | $ | 3,299 |  |  | $ | 2,794 |

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