Long-Term Debt and Note Payable - Affiliate (Tables)

12 Months Ended

Dec. 31, 2024

Debt Disclosure [Abstract]

Schedule of long-term debt, including unamortized discounts and premiums

The following chart reflects (i) the consolidated long-term debt of Qwest Corporation and its subsidiaries, including finance lease and other obligations, unamortized premiums, net, unamortized debt issuance costs and (ii) note payable-affiliate:

			As of December 31,
	Interest Rates (1)	Maturities (1)	2024		2023
			(Dollars in millions)
Senior notes	6.500% - 7.750%	2025 - 2057	$	1,973	1,986
Former term loan(2)	N/A	N/A	—		215
Finance lease and other	Various	Various	3		4
Unamortized premiums, net			1		4
Unamortized debt issuance costs			(50)		(52)
Total long-term debt			1,927		2,157
Less current maturities			(239)		(1)
Long-term debt, excluding current maturities			$	1,688	2,156

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N/A - Not applicable

(1) As of December 31, 2024.

(2) Qwest Corporation's Term Loan was due in 2027 and had an interest rate of 7.970% as of December 31, 2023, prior to being cancelled on the TSA Effective Date (as defined below).

Schedule of aggregate maturities of the entity's long-term debt (excluding unamortized premiums, discounts, and other)

Set forth below is the aggregate principal amount of our long-term debt as of December 31, 2024 (excluding unamortized premiums, net, unamortized debt issuance costs) maturing during the following years:

	(Dollars in millions)
2025	$	239
2026	1
2027	1
2028	—
2029	—
2030 and thereafter	1,735
Total long-term debt	$	1,976

Schedule of amount of gross interest expense, net of capitalized interest and interest expense (income)-affiliates

Interest expense includes interest on total long-term debt. The following table presents the amount of gross interest expense, net of capitalized interest and interest expense-affiliates, net:

	Years Ended December 31,
	2024		2023	2022
	(Dollars in millions)
Interest expense:
Gross interest expense	$	137	149	141
Capitalized interest	(75)		(54)	(29)
Total interest expense	$	62	95	112
Interest (income) expense-affiliates, net	$	(24)	(15)	60