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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