Income Taxes - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014	Dec. 09, 2013
Income Taxes [Line Items]
Unrecognized federal tax benefit					$ 867
Federal NOL carryforwards, maximum allowable utilization						$ 9,000
Alternative minimum tax credit carryforwards					341
Non-cash deferred income tax provision	$ 7	$ 7	$ 16	$ 15
State and international tax expense	8	3	10	8
Fuel Hedging Contracts [Member]
Income Taxes [Line Items]
Non-cash tax provision on sale of fuel hedging contracts		330		330
American Airlines, Inc. [Member]
Income Taxes [Line Items]
Unrecognized federal tax benefit					712
Federal NOL carryforwards, maximum allowable utilization						$ 9,500
Alternative minimum tax credit carryforwards					435
Non-cash deferred income tax provision	7	7	15	14
State and international tax expense	$ 4	1	$ 4	5
American Airlines, Inc. [Member] | Fuel Hedging Contracts [Member]
Income Taxes [Line Items]
Non-cash tax provision on sale of fuel hedging contracts		$ 328		$ 328
Internal Revenue Service (IRS) [Member]
Income Taxes [Line Items]
NOL subject to expiration					10,100
Valuation allowance					4,500
Internal Revenue Service (IRS) [Member] | American Airlines, Inc. [Member]
Income Taxes [Line Items]
NOL subject to expiration					10,300
Valuation allowance					5,100
State and Local Jurisdiction [Member]
Income Taxes [Line Items]
NOL subject to expiration					$ 4,600
NOL carryforwards expiration year, range start					2015
NOL carryforwards expiration year, range end					2034
Valuation allowance					$ 264
State and Local Jurisdiction [Member] | American Airlines, Inc. [Member]
Income Taxes [Line Items]
NOL subject to expiration					$ 3,900
NOL carryforwards expiration year, range start					2015
NOL carryforwards expiration year, range end					2034
Valuation allowance					$ 208
State and Local Jurisdiction [Member] | American Airlines, Inc. [Member] | Available for use in 2015 [Member]
Income Taxes [Line Items]
NOL subject to expiration					$ 4,600
Federal [Member]
Income Taxes [Line Items]
NOL carryforwards expiration year					2022
Federal [Member] | American Airlines, Inc. [Member]
Income Taxes [Line Items]
NOL carryforwards expiration year					2022
Federal [Member] | American Airlines, Inc. [Member] | Available for use in 2015 [Member]
Income Taxes [Line Items]
NOL subject to expiration					$ 10,100