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COMMITMENTS AND CONTINGENCIES - Narrative (Details) - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended |
--- | --- | --- | ---
Mar. 31, 2023 | Mar. 31, 2023 | Jan. 31, 2023
Commitments and Contingencies Disclosure [Abstract] |  |  |
Future aircraft purchase commitments | $ 18,700 | $ 18,700 |
Collective bargaining agreement term | 4 years |  |
Pilot pay rate increase |  |  | 18.00%
Pilot agreement expense |  | 735 |
Adjustments to other benefit-related items |  | $ 130 |

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- Definition Amount of the unrecorded obligation to transfer funds in the future for fixed or minimum amounts or quantities of goods or services at fixed or minimum prices (for example, as in take-or-pay contracts or throughput contracts). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 440 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=123406679&loc=d3e25336-109308 + Details
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