Debt - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2016 Aircraft Transactions
Debt Instrument [Line Items]
Number of jet aircraft committed to capital leases | Aircraft	34
Collateral coverage tests, number of financing transactions | Transactions	4
American Airlines, Inc. [Member]
Debt Instrument [Line Items]
Number of jet aircraft committed to capital leases | Aircraft	34
Collateral coverage tests, number of financing transactions | Transactions	4