| Schedule of debt |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Summary of outstanding debt by category | | Maturity | Interest Rate(s) Per Annum at | September 30, | December 31, | | (in millions) | Dates | September 30, 2022 | 2022 | 2021 | | Unsecured Payroll Support Program Loans | 2030 | to | 2031 | 1.00% | $ | 3,496 | | $ | 3,496 | | | Unsecured notes | 2023 | to | 2029 | 2.90% | to | 7.38% | 2,997 | | 4,354 | | | Financing arrangements secured by SkyMiles assets: | | | | | | | | | SkyMiles Notes(1) | 2023 | to | 2028 | 4.50% | and | 4.75% | 5,144 | | 6,000 | | SkyMiles Term Loan(1)(2) | 2023 | to | 2027 | 6.46% | 2,820 | | 2,820 | | | Financing arrangements secured by aircraft: | | | | | Certificates(1) | 2022 | to | 2028 | 2.00% | to | 8.00% | 1,855 | | 1,932 | | Notes(1)(2) | 2022 | to | 2033 | 1.99% | to | 5.75% | 915 | | 1,139 | | NYTDC Special Facilities Revenue Bonds(1) | 2023 | to | 2045 | 4.00% | to | 5.00% | 2,838 | | 2,894 | | | Financing arrangements secured by slots, gates and/or routes: | | | | | | | | | | 2020 Senior Secured Notes | 2025 | 7.00% | 1,542 | | 2,589 | | 2018 Revolving Credit Facility(2) | 2023 | to | 2024 | Undrawn | — | | — | | Other financings(1)(2) | 2022 | to | 2030 | 2.51% | to | 5.00% | 67 | | 68 | | Other revolving credit facilities(2) | 2023 | to | 2024 | Undrawn | — | | — | | | Total secured and unsecured debt | | | | | | | $ | 21,674 | | $ | 25,292 | | | Unamortized (discount)/premium and debt issue cost, net and other | | | | (151) | | (208) | | | Total debt | | | | | | | $ | 21,523 | | $ | 25,084 | | | Less: current maturities | | | | | | | (1,723) | | (1,502) | | | Total long-term debt | | | | | | | $ | 19,800 | | $ | 23,582 | |
(1)Due in installments during the years shown above. (2)Certain financings are comprised of variable rate debt. All variable rates are equal to LIBOR (generally subject to a floor) or another index rate plus a specified margin.
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| Schedule of estimated fair value of debt instruments |
The fair value of debt shown below is principally based on reported market values, recently completed market transactions and estimates based on interest rates, maturities, credit risk and underlying collateral. Debt is primarily classified as Level 2 within the fair value hierarchy. | | | | | | | | | | Fair value of outstanding debt | | (in millions) | September 30,
2022 | December 31,
2021 | | Net carrying amount | $ | 21,523 | | $ | 25,084 | | | Fair value | $ | 20,500 | | $ | 26,900 | |
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