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COVID-19 PANDEMIC (Tables) | 12 Months Ended
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Dec. 31, 2020
Risks and Uncertainties [Abstract] |
Details of Impairment of Long-Lived Assets Held and Used by Asset | A summary of the impairment charges recorded for aircraft and other flight equipment for the year ended December 31, 2020 is as follows (in millions):
|  | Airbus Aircraft |  | Q400 Aircraft |  | Total Impairment
Aircraft and other flight equipment, net |  | $ | 146 |  |  | $ | 58 |  |  | $ | 204 |
Operating lease assets |  | 154 |  |  | — |  |  | 154 |
Inventory and supplies - net |  | 2 |  |  | — |  |  | 2 |
Prepaid expenses and other current assets |  | — |  |  | 3 |  |  | 3 |
Total impairment and related charges - Long-lived assets |  | $ | 302 |  |  | $ | 61 |  |  | $ | 363 |

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- Definition Tabular disclosure for impairment of long-lived assets held and used by an entity which includes a description of the impaired long-lived asset and facts and circumstances leading to the impairment, aggregate amount of the impairment loss and where the loss is located in the income statement, method(s) for determining fair value, and the segment in which the impaired long-lived asset is reported. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2921-110230 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.CC) -URI http://asc.fasb.org/extlink&oid=27011434&loc=d3e125687-122742 + Details
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