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Long-Term Debt (Tables)
12 Months Ended
Dec. 31, 2024
Debt Disclosure [Abstract]  
Schedule of Long-term Debt
December 31,
2024
December 31,
2023
Credit Facility$203 $411 
5.750% senior notes due 2025 (1) (2)
600 — 
6.000% senior notes due 2026 (1)
500 — 
6.000% senior notes due 2027600 600 
5.625% senior notes due 2027 (1)
550 — 
5.875% senior notes due 2028400 400 
7.000% senior notes due 2028500 500 
4.500% senior notes due 2029800 800 
7.000% senior notes due 2029750 — 
4.500% senior notes due 2030800 800 
6.375% senior notes due 2030 (1)
600 — 
7.250% senior notes due 2032750 — 
GoZone Bonds (1) (2)
322 — 
Lease-related financing obligations 132 94 
Net unamortized premiums, discounts, and fair value adjustments16 — 
Deferred debt issuance costs(37)(25)
Total debt7,486 3,580 
Less: current maturities— 
Total long-term debt, net$7,484 $3,580 
(1)These senior notes and bonds, totaling $2.57 billion aggregate principal amount, were assumed by the Partnership in connection with the closing of the NuStar acquisition in May 2024.
(2)As of December 31, 2024, $600 million of senior notes and $75 million of GoZone Bonds due on or before December 31, 2025 were classified as long-term as management has the intent and ability to refinance the borrowings on a long-term basis.
Schedule of Maturities of Long-term Debt
At December 31, 2024, scheduled future debt maturities were as follows:
2025$677 
2026502 
20271,152 
2028902 
20291,755 
Thereafter2,519 
Total$7,507 
Schedule of Debt Conversions
The following table summarizes the GoZone Bonds outstanding as of December 31, 2024:
SeriesDate IssuedAmount OutstandingInterest RateMandatory Purchase DateOptional Redemption DateMaturity Date
Series 2008June 26, 2008$56 6.10 %June 1, 2030n/aJune 1, 2038
Series 2010July 15, 2010100 6.35 %n/aJune 1, 2030July 1, 2040
Series 2010AOctober 7, 201043 6.35 %n/aJune 1, 2030October 1, 2040
Series 2010BDecember 29, 201048 6.10 %June 1, 2030n/aDecember 1, 2040
Series 2011August 9, 201175 5.85 %June 1, 2025n/aAugust 1, 2041