Long-Term Debt and Credit Facilities (Tables)

12 Months Ended

Dec. 31, 2020

Debt Disclosure [Abstract]

Schedule of long-term debt including unamortized discounts and premiums

The following chart reflects the consolidated long-term debt of Lumen Technologies and its subsidiaries as of the dates indicated below, including unamortized discounts and premiums and unamortized debt issuance costs, but excluding intercompany debt:

			As of December 31,
	Interest Rates(1)	Maturities(1)	2020		2019
			(Dollars in millions)
Senior Secured Debt: (2)
Lumen Technologies
Revolving Credit Facility (3)	LIBOR + 2.00%	2025	$	150	250
Term Loan A (3)(4)	LIBOR + 2.00%	2025	1,108		1,536
Term Loan A-1 (3)(4)	LIBOR + 2.00%	2025	316		333
Term Loan B (3)(5)	LIBOR + 2.25%	2027	4,950		5,880
Senior notes	4.000%	2027	1,250		—
Subsidiaries:
Level 3 Financing, Inc.
Tranche B 2027 Term Loan (6)	LIBOR + 1.75%	2027	3,111		3,111
Senior notes	3.400% - 3.875%	2027 - 2029	1,500		1,500
Embarq Corporation subsidiaries
First mortgage bonds	7.125% - 8.375%	2023 - 2025	138		138
Senior Notes and Other Debt:
Lumen Technologies
Senior notes	4.500% - 7.650%	2021 - 2042	8,645		8,696
Subsidiaries:
Level 3 Financing, Inc.
Senior notes	3.625% - 5.375%	2024 - 2029	5,515		5,515
Qwest Corporation
Senior notes	6.500% - 7.750%	2021 - 2057	3,170		5,956
Term loan (7)	LIBOR + 2.00%	2027	215		100
Qwest Capital Funding, Inc.
Senior notes	6.875% - 7.750%	2021 - 2031	352		352
Embarq Corporation and subsidiary
Senior note	7.995%	2036	1,437		1,450
Finance lease and other obligations	Various	Various	295		222
Unamortized discounts, net			(78)		(52)
Unamortized debt issuance costs			(237)		(293)
Total long-term debt			31,837		34,694
Less current maturities			(2,427)		(2,300)
Long-term debt, excluding current maturities			$	29,410	32,394

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(1)As of December 31, 2020.

(2)See the remainder of this Note for a description of certain parent or subsidiary guarantees and liens securing this debt.

(3)Lumen's credit agreement was amended as noted below, extending the maturity date of its (a) Term Loan A, Term Loan A-1 and Revolving Credit Facilities from 2022 to 2025 and (b) Term Loan B from 2025 to 2027.

(4)Term Loans A and A-1 had interest rates of 2.147% and 4.459% as of December 31, 2020 and December 31, 2019, respectively.

(5)Term Loan B had interest rates of 2.397% and 4.549% as of December 31, 2020 and December 31, 2019, respectively.

(6)The Level 3 Tranche B 2027 Term Loan had interest rates of 1.897% and 3.549% as of December 31, 2020 and December 31, 2019, respectively.

(7)Qwest Corporation's Term Loan had interest rates of 2.150% and 3.800% as of December 31, 2020 and December 31, 2019, respectively.

Schedule of maturities of long-term debt

Set forth below is the aggregate principal amount of our long-term debt as of December 31, 2020 (excluding unamortized discounts, net and unamortized debt issuance costs) maturing during the following years:

	(Dollars in millions)
2021	$	2,427
2022	1,544
2023	966
2024	2,043
2025	3,057
2026 and thereafter	22,115
Total long-term debt	$	32,152

Schedule of amount of gross interest expense, net of capitalized interest

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

	Years Ended December 31,
	2020		2019	2018
	(Dollars in millions)
Interest expense:
Gross interest expense	$	1,743	2,093	2,230
Capitalized interest	(75)		(72)	(53)
Total interest expense	$	1,668	2,021	2,177