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Revenue Recognition - Narrative (Details) - Air traffic liability
$ in Billions
9 Months Ended
Sep. 30, 2022
USD ($)
Disaggregation of Revenue [Line Items]  
Contract term one year
Revenue recognition term 12 months
Recognition of revenue $ 4.4
American Airlines, Inc.  
Disaggregation of Revenue [Line Items]  
Recognition of revenue $ 4.4