| Segment / region | Type | Fiscal year | Currency | Revenue (millions) | Share of revenue |
|---|---|---|---|---|---|
| UNITED STATES | Region | 2025 | USD | 33,656.0 | 59.4% |
| Europe Middle East And Africa | Region | 2025 | USD | 14,824.0 | 26.2% |
| Asia Pacific Japan And China | Region | 2025 | USD | 8,174.0 | 14.4% |
| UNITED STATES | Region | 2024 | USD | 31,971.0 | 59.4% |
| Europe Middle East And Africa | Region | 2024 | USD | 14,117.0 | 26.2% |
| Asia Pacific Japan And China | Region | 2024 | USD | 7,716.0 | 14.3% |
| UNITED STATES | Region | 2023 | USD | 33,447.0 | 58.7% |
| Europe Middle East And Africa | Region | 2023 | USD | 15,135.0 | 26.6% |
| Asia Pacific Japan And China | Region | 2023 | USD | 8,417.0 | 14.8% |
| UNITED STATES | Region | 2022 | USD | 29,814.0 | 57.8% |
| Europe Middle East And Africa | Region | 2022 | USD | 13,715.0 | 26.6% |
| Asia Pacific Japan And China | Region | 2022 | USD | 8,027.0 | 15.6% |
| UNITED STATES | Region | 2021 | USD | 29,161.0 | 58.5% |
| Europe Middle East And Africa | Region | 2021 | USD | 12,951.0 | 26.0% |
| Asia Pacific Japan And China | Region | 2021 | USD | 7,706.0 | 15.5% |
| UNITED STATES | Region | 2020 | USD | 29,291.0 | 59.4% |
| Europe Middle East And Africa | Region | 2020 | USD | 12,659.0 | 25.7% |
| Asia Pacific Japan And China | Region | 2020 | USD | 7,352.0 | 14.9% |
| Networking | Product | 2025 | USD | 28,304.0 | 50.0% |
| Service | Product | 2025 | USD | 15,046.0 | 26.6% |
| Security | Product | 2025 | USD | 8,094.0 | 14.3% |
| Collaboration | Product | 2025 | USD | 4,154.0 | 7.3% |
| Observability | Product | 2025 | USD | 1,055.0 | 1.9% |
| Networking | Product | 2024 | USD | 29,229.0 | 54.3% |
| Service | Product | 2024 | USD | 14,550.0 | 27.0% |
| Security | Product | 2024 | USD | 5,075.0 | 9.4% |
| Collaboration | Product | 2024 | USD | 4,113.0 | 7.6% |
| Observability | Product | 2024 | USD | 837.0 | 1.6% |
| Secure, Agile Networks | Product | 2023 | USD | 29,105.0 | 51.1% |
| Service | Product | 2023 | USD | 13,856.0 | 24.3% |
| Internet for the Future | Product | 2023 | USD | 5,306.0 | 9.3% |
| Collaboration | Product | 2023 | USD | 4,052.0 | 7.1% |
| End-to-End Security | Product | 2023 | USD | 3,859.0 | 6.8% |
| Optimized Application Experiences | Product | 2023 | USD | 811.0 | 1.4% |
| Other Products | Product | 2023 | USD | 9.0 | 0.0% |
| Secure, Agile Networks | Product | 2022 | USD | 23,831.0 | 46.2% |
| Service | Product | 2022 | USD | 13,539.0 | 26.3% |
| Internet for the Future | Product | 2022 | USD | 5,276.0 | 10.2% |
| Collaboration | Product | 2022 | USD | 4,472.0 | 8.7% |
| End-to-End Security | Product | 2022 | USD | 3,699.0 | 7.2% |
| Optimized Application Experiences | Product | 2022 | USD | 729.0 | 1.4% |
| Other Products | Product | 2022 | USD | 11.0 | 0.0% |
| Infrastructure Platforms | Product | 2021 | USD | 27,109.0 | 54.4% |
| Service | Product | 2021 | USD | 13,804.0 | 27.7% |
| Applications | Product | 2021 | USD | 5,504.0 | 11.1% |
| Security | Product | 2021 | USD | 3,382.0 | 6.8% |
| Other Products | Product | 2021 | USD | 19.0 | 0.0% |
| Infrastructure Platforms | Product | 2020 | USD | 27,122.0 | 55.0% |
| Services | Product | 2020 | USD | 13,323.0 | 27.0% |
| Applications | Product | 2020 | USD | 5,568.0 | 11.3% |
| Security | Product | 2020 | USD | 3,154.0 | 6.4% |
| Other | Product | 2020 | USD | 135.0 | 0.3% |
Product and geographic breakdowns describe the same revenue from different perspectives and should not be added together.