Income Taxes [Line Items]

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Net Operating Losses, Maximum Allowable Utilization

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Net operating losses remaining amount.

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Tax expense (benefit) resulting from Oci allocation.

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Unrecognized Tax Benefits Related To Share Based Compensation

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards expected to be realized or consumed within one year or operating cycle, if longer.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards that are subject to expiration dates.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible alternative minimum tax credit carryforwards.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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Amount of tax expense (benefit), before reclassification adjustments, related to increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.

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Income Taxes - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Jun. 30, 2014	Dec. 31, 2013	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 09, 2015	Dec. 09, 2013
Income Taxes [Line Items]
Discrete tax benefit			$ (2,994.0)	$ 330.0	$ (346.0)
Non-cash tax provision on sale of fuel hedging contracts	$ 330.0
Tax expense (benefit) resulting from OCI allocation				330.0	(538.0)
Increase (decrease) in valuation allowance			(4,800.0)	(197.0)	602.0
Unrecognized share-based compensation tax benefit			1,200.0
Federal NOL carryforwards, maximum allowable utilization						$ 9,000.0	$ 9,000.0
Federal NOL carryforwards, remaining amount			6,600.0				6,600.0
Alternative minimum tax credit carryforwards			346.0	346.0
Change in valuation allowance			(4,742.0)	(1,323.0)	717.0
Accounting Standards Update 2015-17 [Member] \| Prepaid Expenses and Other Current Assets [Member]
Income Taxes [Line Items]
Deferred tax assets, net, current				361.0
Fuel Hedging Contracts [Member]
Income Taxes [Line Items]
Non-cash tax provision on sale of fuel hedging contracts	330.0			330.0
Federal [Member]
Income Taxes [Line Items]
Discrete tax benefit			3,000.0
Gross NOL carryforwards			8,000.0
State [Member]
Income Taxes [Line Items]
Gross NOL carryforwards			136.0
NOL subject to expiration			4,000.0
American Airlines, Inc. [Member]
Income Taxes [Line Items]
Discrete tax benefit			(3,452.0)	320.0	(354.0)
Non-cash tax provision on sale of fuel hedging contracts	328.0
Tax expense (benefit) resulting from OCI allocation				328.0	(538.0)
Increase (decrease) in valuation allowance			(5,200.0)	(525.0)	221.0
Federal NOL carryforwards, maximum allowable utilization							9,500.0
Federal NOL carryforwards, remaining amount			7,300.0				$ 7,300.0
Alternative minimum tax credit carryforwards			458.0	458.0
Change in valuation allowance		$ 214.0	(5,216.0)	(1,285.0)	$ 780.0
American Airlines, Inc. [Member] \| Accounting Standards Update 2015-17 [Member] \| Prepaid Expenses and Other Current Assets [Member]
Income Taxes [Line Items]
Deferred tax assets, net, current				(314.0)
American Airlines, Inc. [Member] \| Fuel Hedging Contracts [Member]
Income Taxes [Line Items]
Non-cash tax provision on sale of fuel hedging contracts	$ 328.0			$ 328.0
American Airlines, Inc. [Member] \| Federal [Member]
Income Taxes [Line Items]
Gross NOL carryforwards			8,800.0
American Airlines, Inc. [Member] \| Federal [Member] \| Available For Use In Two Thousand And Sixteen [Member]
Income Taxes [Line Items]
NOL subject to expiration			8,000.0
American Airlines, Inc. [Member] \| State [Member] \| Available For Use In Two Thousand And Sixteen [Member]
Income Taxes [Line Items]
Unrecognized share-based compensation tax benefit			1,200.0
American Airlines, Inc. [Member] \| State [Member] \| Expire, If Unused, in 2016 [Member]
Income Taxes [Line Items]
NOL subject to expiration			$ 106.0