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Long-Term Debt and Note Payable - Affiliate - Additional Information (Details) - USD ($) $ in Millions | Sep. 30, 2022 | Jun. 30, 2022 | Dec. 31, 2024
--- | --- | --- | ---
Senior notes |  |  |
Long-term debt |  |  |
Repurchased face amount |  |  | $ 13
Note payable - affiliate | Affiliated entity | Qwest Corporation |  |  |
Long-term debt |  |  |
Maximum borrowing capacity |  | $ 2,000 |
Note Payable - Affiliate, term subject to automatic renewal |  | 12 months |
Note Payable - Affiliate, period to provide notice of intent not to renew |  | 30 days |
Note Payable - Affiliate, period to pay interest from end of Interest Period |  | 30 days |
Note Payable - Affiliate, outstanding principal repaid | $ 1,200 |  |
Note Payable - Affiliate, interest repaid | $ 43 |  |

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