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v3.25.1

Acquisitions and Dispositions (Details) $ / shares in Units, $ in Millions |  |  | 1 Months Ended | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Dec. 01, 2024 USD ($) | Jan. 09, 2024 USD ($) $ / shares | Sep. 30, 2024 USD ($) | Apr. 30, 2025 USD ($) | Jan. 31, 2025 | Apr. 30, 2024 USD ($) | Apr. 30, 2025 USD ($) | Apr. 30, 2024 USD ($) | Oct. 01, 2024 USD ($) | Apr. 02, 2024
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Proceeds of preferred stock |  |  | $ 1,500 |  |  |  |  |  |  |
Proceeds from sale of a business |  |  |  |  |  |  | $ 210 | $ 0 |  |
Gain on sale of a business |  |  |  | $ 0 |  | $ 0 | $ 244 | $ 0 |  |
Senior Unsecured Delayed Draw Term Loan Issued September 2024 |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity under credit facility |  |  | 12,000 |  |  |  |  |  |  |
Senior Unsecured Delayed Draw Term Loan Issued September 2024 | Line of Credit |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity under credit facility |  |  | 9,000 |  |  |  |  |  | $ 1,000 |
Convertible Preferred Stock |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Preferred stock dividend rate (as a percentage) |  |  |  | 7.625% | 7.625% |  | 7.625% |  |  |
H3C | Amended and Restated Put Share Purchase Agreement |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Put share purchase agreement, issued capital (as a percent) |  |  |  |  |  |  |  |  |  | 0.30
Disposal Group, Disposed of by Sale, Not Discontinued Operations | CTG Business |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Proceeds from sale of a business | $ 210 |  |  |  |  |  |  |  |  |
Gain on sale of a business | $ 244 |  |  |  |  |  |  |  |  |
Juniper Networks, Inc |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Business acquisition, share price | $ / shares |  | $ 40.00 |  |  |  |  |  |  |  |
Purchase price consideration |  | $ 14,000 |  |  |  |  |  |  |  |
Loss on contract termination for default |  | $ 815 |  |  |  |  |  |  |  |
Number additional days to close |  | 5 years |  |  |  |  |  |  |  |
Closing date extension, number additional days to close |  | 5 years |  |  |  |  |  |  |  |
Juniper Networks, Inc | Senior Unsecured Delayed Draw Term Loan Issued September 2024 | Line of Credit |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Repayment amount upon cancellation of acquisition |  |  | $ 6,500 |  |  |  |  |  |  |

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