Bankruptcy Settlement Obligations - Components of Bankruptcy Settlement Obligations (Detail) - USD ($) $ in Millions	Jun. 30, 2015	Dec. 31, 2014	Dec. 09, 2013
Bankruptcy Settlement Obligations [Line Items]
Single-Dip Equity Obligations	$ 159	$ 248	$ 2,500
Labor-related deemed claim	49	77
Total	208	325
American Airlines, Inc. [Member]
Bankruptcy Settlement Obligations [Line Items]
Single-Dip Equity Obligations			$ 2,500
Single-Dip and Double-Dip Equity Obligations	159	248
Labor-related deemed claim	49	77
Total	$ 208	$ 325