As of March 31, 2026 and December 31, 2025, our long-term debt consisted of the following:
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | March 31, | | December 31, | | | | | | 2026 | | 2025 | | Interest Rate | | Maturity | | | | | | | | | | (in millions) | | | | | | | | | | | | | | Revolving Credit Facility | $ | 25 | | | $ | — | | | SOFR plus 2.50%-3.50% ABR plus 1.50%-2.50%(a) | | March 16, 2029 | | | | | | | | | | | | | | | | | | 2029 Senior Notes | 550 | | | 900 | | | 8.250% | | June 15, 2029 | 2034 Senior Notes | 750 | | | 400 | | | 7.000% | | January 15, 2034 | Principal amount | 1,325 | | | $ | 1,300 | | | | | | Unamortized debt discount and issuance costs | (18) | | | (19) | | | | | | Unamortized premium | 3 | | | 2 | | | | | | | | | | | | | | | | | | | | | | Long-term debt, net | $ | 1,310 | | | $ | 1,283 | | | | | |
(a)Refer to Note 15 Subsequent Events for more information on a recent amendment to the Revolving Credit Facility that reduced our interest rate pricing by 25 basis points and an additional 10 basis point incremental savings through the elimination of the SOFR credit spread adjustment.As shown in the table below, we estimate the fair value of our fixed rate 2029 Senior Notes and 2034 Senior Notes based on known prices from market transactions (using Level 1 inputs on the fair value hierarchy).
| | | | | | | | | | | | | March 31, | | December 31, | | 2026 | | 2025 | | | | | | (in millions) | Variable rate debt | $ | 25 | | | $ | — | | Fixed rate debt | | | | | | | | 2029 Senior Notes | 576 | | | 943 | | 2034 Senior Notes | 756 | | | 394 | | Fair Value of Long-Term Debt | $ | 1,357 | | | $ | 1,337 | |
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