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INVESTMENTS - Equity Investments Ownership Interest and Carrying Value (Details) - USD ($) $ in Millions | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Equity Investments |  |
Equity investments | $ 2,249 | $ 2,128
Air France-KLM |  |
Equity Investments |  |
Ownership interest (percent) | 3.00% | 3.00%
Carrying value | $ 135 | $ 97
China Eastern |  |
Equity Investments |  |
Ownership interest (percent) | 2.00% | 2.00%
Carrying value | $ 184 | $ 189
CLEAR |  |
Equity Investments |  |
Ownership interest (percent) | 5.00% | 5.00%
Carrying value | $ 217 | $ 227
Hanjin-KAL |  |
Equity Investments |  |
Ownership interest (percent) | 15.00% | 15.00%
Carrying value | $ 351 | $ 296
Hanjin-KAL | Common and Preferred Shares |  |
Equity Investments |  |
Ownership interest (percent) | 14.80% |
Hanjin-KAL | Common Stock |  |
Equity Investments |  |
Ownership interest (percent) | 14.90% |
LATAM |  |
Equity Investments |  |
Ownership interest (percent) | 10.00% | 10.00%
Carrying value | $ 455 | $ 403
Other investments |  |
Equity Investments |  |
Carrying value | $ 300 | $ 285
Wheels Up |  |
Equity Investments |  |
Ownership interest (percent) | 21.00% | 21.00%
Carrying value | $ 33 | $ 54
Grupo Aeromexico |  |
Equity Investments |  |
Ownership interest (percent) | 20.00% | 20.00%
Carrying value | $ 410 | $ 412
Unifi Aviation |  |
Equity Investments |  |
Ownership interest (percent) | 49.00% | 49.00%
Carrying value | $ 164 | $ 165

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