Bankruptcy Settlement Obligations - Additional Information (Detail) (USD $)	3 Months Ended
	Mar. 31, 2015	Feb. 10, 2015	Dec. 31, 2014	Dec. 09, 2013
Bankruptcy Settlement Obligations [Line Items]
Single-Dip Equity Obligations	$ 210,000,000		$ 248,000,000	$ 2,450,000,000
Shares issued per $1,000 in reduction of allowed claims	30.7553
Allowed claims including tax liabilities	1,000
Labor-related deemed claim	1,500,000,000
Labor-related deemed claim	65,000,000		77,000,000
Shares released from restriction and issued		800,000
American Airlines, Inc. [Member]
Bankruptcy Settlement Obligations [Line Items]
Single-Dip Equity Obligations				2,450,000,000
Shares issued per $1,000 in reduction of allowed claims	30.7553
Allowed claims including tax liabilities	1,000
Labor-related deemed claim	1,500,000,000
Labor-related deemed claim	65,000,000		77,000,000
Shares released from restriction and issued		800,000
Single-Dip and Double-Dip Equity Obligations	$ 210,000,000		$ 248,000,000