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Debt (Tables) | 3 Months Ended
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Mar. 31, 2021
Debt Disclosure [Abstract] |
Details of Pass Through Trusts | Certain details of the pass-through trusts with proceeds received from issuance of debt in 2021 are as follows (in millions, except stated interest rate):
EETC Issuance Date |  | Class |  | Face Amount |  |  |  | Stated interest rate |  | Total proceeds received from issuance of debt |  | Total debt recorded as of March 31, 2021
February 2021 |  | B |  | $ | 600 |  |  |  |  | 4.88% |  | $ | 600 |  |  | $ | 600 |
Contractual Principal Payments under Long-Term Debt Agreements | The table below presents the Company's contractual principal payments (not including $533 million of unamortized debt discount, premiums and debt issuance costs) at March 31, 2021 under then-outstanding long-term debt agreements (in millions):
Last nine months of 2021 |  | $ | 1,427 |
2022 |  | 3,952 |
2023 |  | 2,792 |
2024 |  | 5,257 |
2025 |  | 3,841 |
After 2025 |  | 10,896 |
|  | $ | 28,165 |

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- Definition Tabular disclosure of maturity and sinking fund requirement for long-term debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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