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Long-Term Debt (Tables)
 12 Months Ended
Dec. 31, 2023
Debt Disclosure [Abstract]  
Summary of Debt
As of December 31, 2023 and 2022, long-term debt consisted of the following (in millions):
December 31, 2023December 31, 2022
Outstanding PrincipalPremium (Discount)Long-Term DebtOutstanding PrincipalPremium (Discount)Long-Term Debt
AR Facility due 2025 (1)300.0 — 300.0 500.0 — 500.0 
Revolving Credit Facility due 2027 (2)— — — 255.0 — 255.0 
ENLK’s 4.40% Senior unsecured notes due 2024
97.9 — 97.9 97.9 — 97.9 
ENLK’s 4.15% Senior unsecured notes due 2025
421.6 — 421.6 421.6 (0.1)421.5 
ENLK’s 4.85% Senior unsecured notes due 2026
491.0 (0.2)490.8 491.0 (0.2)490.8 
ENLC’s 5.625% Senior unsecured notes due 2028
500.0 — 500.0 500.0 — 500.0 
ENLC’s 5.375% Senior unsecured notes due 2029
498.7 — 498.7 498.7 — 498.7 
ENLC’s 6.50% Senior unsecured notes due 2030
1,000.0 (2.7)997.3 700.0 — 700.0 
ENLK’s 5.60% Senior unsecured notes due 2044
350.0 (0.2)349.8 350.0 (0.2)349.8 
ENLK’s 5.05% Senior unsecured notes due 2045
450.0 (5.0)445.0 450.0 (5.2)444.8 
ENLK’s 5.45% Senior unsecured notes due 2047
500.0 (0.1)499.9 500.0 (0.1)499.9 
Debt classified as long-term, including current maturities of long-term debt$4,609.2 $(8.2)4,601.0 $4,764.2 $(5.8)4,758.4 
Debt issuance cost (3)(32.1)(34.9)
Less: Current maturities of long-term debt (4)(97.9)— 
Long-term debt, net of unamortized issuance cost$4,471.0 $4,723.5 
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(1)The effective interest rate was 6.4% and 5.3% at December 31, 2023 and 2022, respectively.
(2)The effective interest rate was 6.5% at December 31, 2022.
(3)Net of accumulated amortization of $20.0 million and $15.1 million at December 31, 2023 and 2022, respectively.
(4)The outstanding balance, net of debt issuance costs, of ENLK’s 4.40% senior unsecured notes as of December 31, 2023 are classified as “Current maturities of long-term debt” on the consolidated balance sheet as these notes mature on April 1, 2024.
See applicable redemption provision terms below:
Issuance Maturity Date of NotesEarly Redemption DateBasis Point Premium
2024 NotesApril 1, 2024Prior to January 1, 202425 Basis Points
2025 NotesJune 1, 2025Prior to March 1, 202530 Basis Points
2026 NotesJuly 15, 2026Prior to April 15, 202650 Basis Points
2028 NotesJanuary 15, 2028Prior to July 15, 202750 Basis Points
2029 NotesJune 1, 2029Prior to March 1, 202950 Basis Points
2030 NotesSeptember 1, 2030Prior to March 1, 203050 Basis Points
2044 NotesApril 1, 2044Prior to October 1, 204330 Basis Points
2045 NotesApril 1, 2045Prior to October 1, 204430 Basis Points
2047 NotesJune 1, 2047Prior to December 1, 204640 Basis Points
Activity related to the repurchases of ENLK’s senior unsecured notes from the settled debt tender offer consisted of the following (in millions):
Year Ended
December 31, 2022
Debt repurchased$700.0 
Aggregate payments(705.3)
Net discount on repurchased debt(1.0)
Loss on extinguishment of debt$(6.3)
Activity related to the repurchases of our senior unsecured notes in open market transactions consisted of the following (in millions):
Year Ended
December 31, 2022
Debt repurchased$23.1 
Aggregate payments(22.5)
Gain on extinguishment of debt$0.6 
Schedule of Maturities of Long-term Debt
Maturities for the long-term debt as of December 31, 2023 are as follows (in millions):
2024$97.9 
2025721.6 
2026491.0 
2027— 
2028500.0 
Thereafter2,798.7 
Subtotal4,609.2 
Less: net discount(8.2)
Less: debt issuance cost(32.1)
Less: current maturities of long-term debt(97.9)
Long-term debt, net of unamortized issuance cost$4,471.0