Bankruptcy Settlement Obligations - Additional Information (Detail) - USD ($)		12 Months Ended
	Dec. 09, 2013	Dec. 31, 2015	Dec. 31, 2013	Jul. 14, 2015	Feb. 10, 2015	Dec. 31, 2014
Bankruptcy Settlement Obligations [Line Items]
Dividend rate for single-dip unsecured claims not settled in Preferred Stock		12.00%
Conversion discount for unsecured creditors receiving AAG Preferred Stock		3.50%	3.50%
Shares issued per $1,000 in reduction of allowed claims		30.7553
Single-dip equity obligations		$ 147,000,000				$ 248,000,000
Allowed claims including tax liabilities		1,000
Labor-related deemed claim		1,500,000,000	$ 1,733,000,000
Value of initial distribution of common stock		1,000,000,000
Payments for payroll taxes associated with equity distributions to employees	$ 300,000,000	555,000,000
Labor-related deemed claim		$ 46,000,000				77,000,000
Shares released from restriction and issued				600,000	800,000
Common stock shares withheld or sold related to tax obligations				100,000
American Airlines, Inc. [Member]
Bankruptcy Settlement Obligations [Line Items]
Dividend rate for single-dip unsecured claims not settled in Preferred Stock		12.00%
Conversion discount for unsecured creditors receiving AAG Preferred Stock		3.50%	3.50%
Shares issued per $1,000 in reduction of allowed claims		30.7553
Single-dip equity obligations		$ 147,000,000				248,000,000
Allowed claims including tax liabilities		1,000
Labor-related deemed claim		1,500,000,000	$ 1,733,000,000
Payments for payroll taxes associated with equity distributions to employees	$ 300,000,000	570,000,000
Labor-related deemed claim		46,000,000				$ 77,000,000
Shares released from restriction and issued				600,000	800,000
Common stock shares withheld or sold related to tax obligations				100,000
Value of initial distribution of common stock		$ 1,000,000,000