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v3.25.1

Long-Term Debt (Schedule Of Material Terms Of Fiber Term Notes) (Details) - USD ($) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2025 | Dec. 31, 2024
Debt Instrument [Line Items] |  |
Principal outstanding | $ 11,669,000,000 | $ 11,569,000,000
Interest Rate | 6.816% | 6.996%
Interest rate margin | 2.00% |
Series 2023-1 Revenue Term Notes Class A-2 Due 7/20/2028 [Member] |  |
Debt Instrument [Line Items] |  |
Issue Date | Aug. 08, 2023 |
Principal outstanding | $ 1,119,000,000 |
Interest Rate | 6.60% |
Final Maturity Date | Aug. 20, 2053 |
Series 2023-1 Revenue Term Notes Class B Due 7/20/2028 [Member] |  |
Debt Instrument [Line Items] |  |
Issue Date | Aug. 08, 2023 |
Principal outstanding | $ 155,000,000 |
Interest Rate | 8.30% |
Final Maturity Date | Aug. 20, 2053 |
Series 2023-1 Revenue Term Notes Class C Due 7/20/2028 [Member] |  |
Debt Instrument [Line Items] |  |
Issue Date | Aug. 08, 2023 |
Principal outstanding | $ 312,000,000 |
Interest Rate | 11.50% |
Final Maturity Date | Aug. 20, 2053 |
Series 2024-1 Revenue Term Notes Class A-2 Due 5/20/2031 [Member] |  |
Debt Instrument [Line Items] |  |
Issue Date | Jul. 01, 2024 |
Principal outstanding | $ 530,000,000 |
Interest Rate | 6.19% |
Final Maturity Date | Jun. 20, 2054 |
Series 2024-1 Revenue Term Notes Class B Due 5/30/2031 [Member] |  |
Debt Instrument [Line Items] |  |
Issue Date | Jul. 01, 2024 |
Principal outstanding | $ 73,000,000 |
Interest Rate | 7.02% |
Final Maturity Date | Jun. 20, 2054 |
Series 2024-1 Revenue Term Notes Class C Due 5/20/2031 [Member] |  |
Debt Instrument [Line Items] |  |
Issue Date | Jul. 01, 2024 |
Principal outstanding | $ 147,000,000 |
Interest Rate | 11.16% |
Final Maturity Date | Jun. 20, 2054 |
Fiber Term Notes [Member] |  |
Debt Instrument [Line Items] |  |
Interest rate per annum | 5.00% |
Basis spread on variable rate, remaining term | 10 years |
Interest rate margin | 5.00% |

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