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
Affiliate | Lumen Technologies, Inc. | Notes payable
Long-term debt
Maximum borrowing capacity		$ 2,000
Renewal term		12 months
Notice of intent not to renew, period		30 days
Period to pay interest from end of Interest Period		30 days
Outstanding principal repaid	$ 1,200
Interest repaid	$ 43