As of June 30, 2026 and December 31, 2025, our long-term debt consisted of the following:
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | June 30, | | December 31, | | | | | | 2026 | | 2025 | | Interest Rate | | Maturity | | | | | | | | | | (in millions) | | | | | | | | | | | | | | Revolving Credit Facility | $ | — | | | $ | — | | | SOFR plus 2.25%-3.25% ABR plus 1.25%-2.25%(a) | | March 16, 2029 | | | | | | | | | | | | | | | | | | 2029 Senior Notes | — | | | 900 | | | 8.250% | | | 2034 Senior Notes | 750 | | | 400 | | | 7.000% | | January 15, 2034 | | 2035 Senior Notes | 550 | | | — | | | 7.250% | | January 15, 2035 | Principal amount | $ | 1,300 | | | $ | 1,300 | | | | | | Unamortized debt discount and issuance costs | (21) | | | (19) | | | | | | Unamortized premium | 2 | | | 2 | | | | | | | | | | | | | | | | | | | | | | Long-term debt, net | $ | 1,281 | | | $ | 1,283 | | | | | |
As shown in the table below, we estimate the fair value of our fixed rate 2029 Senior Notes, 2034 Senior Notes and 2035 Senior Notes based on known prices from market transactions (using Level 1 inputs on the fair value hierarchy).
| | | | | | | | | | | | | June 30, | | December 31, | | 2026 | | 2025 | | | | | | (in millions) | | | | | Fixed rate debt | | | | | | | | 2029 Senior Notes | $ | — | | | $ | 943 | | 2034 Senior Notes | 742 | | | 394 | | 2035 Senior Notes | 545 | | | — | | Fair Value of Long-Term Debt | $ | 1,287 | | | $ | 1,337 | |
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