Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Accumulated amortization of intangibles	$ 502	$ 447
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	1,750,000,000	1,750,000,000
Common stock, shares issued	624,622,381	697,474,535
Common stock, shares outstanding	624,622,381	697,474,535
American Airlines, Inc. [Member]
Accumulated amortization of intangibles	$ 502	$ 447
Common stock, par value (in dollars per share)	$ 1.00	$ 1.00
Common stock, shares authorized	1,000	1,000
Common stock, shares issued	1,000	1,000
Common stock, shares outstanding	1,000	1,000