Long-Term Debt and Note Payable - Affiliate - Additional Information (Details) - USD ($) $ in Millions				12 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Oct. 23, 2020	Dec. 31, 2023
Term loan
Long-term debt
Net proceeds from issuance of long-term debt			$ 215
Term loan | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Long-term debt
Basis spread on variable rate				2.50%
Term loan | Minimum | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Long-term debt
Basis spread on variable rate			1.50%
Term loan | Minimum | Base Rate
Long-term debt
Basis spread on variable rate			0.50%
Term loan | Maximum | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Long-term debt
Basis spread on variable rate			2.50%
Term loan | Maximum | Base Rate
Long-term debt
Basis spread on variable rate			1.50%
Term loan | Qwest Corporation
Long-term debt
Term Loan covenant Debt to EBITDA Ratio				2.85
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