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Subsequent Events (Details) circuitMile in Thousands, home in Millions, $ in Millions |  | 12 Months Ended
--- | --- | ---
Jun. 26, 2024 USD ($) home people circuitMile | Mar. 31, 2024 county | Mar. 31, 2023 county
Subsequent Event [Line Items] |  |  |
Broadband licenses granted, number of counties | county |  | 28 | 84
Subsequent Event | Oncor Electric Delivery Company LLC | Wireless Licenses |  |  |
Subsequent Event [Line Items] |  |  |
Broadband licenses granted, estimated consideration | $ | $ 102.5 |  |
Broadband licenses granted, number of counties | 95 |  |
Number of transmission and distribution lines | circuitMile | 143 |  |
Number of homes served | home | 4 |  |
Population served | 13,000,000 |  |

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