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Revenue Recognition - Narrative (Details) - Air traffic liability
$ in Billions
3 Months Ended
Mar. 31, 2023
USD ($)
Disaggregation of Revenue [Line Items]  
Contract term one year
Revenue recognition term 12 months
Recognition of revenue $ 3.8
American Airlines, Inc.  
Disaggregation of Revenue [Line Items]  
Recognition of revenue $ 3.8