Income Taxes [Line Items]

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- Definition

Operating Loss Carryforwards Outstanding without Annual Limitations on Use

+ References

No definition available.

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- Definition

Operating Loss Carryforwards without Annual Limitations on Use

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- Definition

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

+ References

No definition available.

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 13
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-Publisher FASB
-Name Accounting Standards Codification
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-Section S99
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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
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-Paragraph 9
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-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Income Tax Expense (or Benefit)
-URI http://asc.fasb.org/extlink&oid=6515339

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- Definition

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

+ References

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- Definition

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).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 12
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- Definition

The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=6506874

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- Definition

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

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Income Taxes (Detail) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
Income Taxes (Detail) - USD ($) $ in Millions	Jun. 30, 2014	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Taxes [Line Items]
Increase (decrease) in valuation allowance		$ 7.0	$ (4,800.0)	$ (197.0)
Non-cash tax provision on sale of fuel hedging contracts	$ 330.0
Income tax provision (benefit)		$ 1,623.0	(2,994.0)	330.0
Income tax expense, effective rate		38.00%
Alternative Minimum Tax Credit Carryforward [Member]
Income Taxes [Line Items]
Alternative minimum tax credit carryforwards		$ 339.0
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]
Gross NOL carryforwards		10,500.0
Federal NOL carryforwards, maximum allowable utilization		9,000.0
Federal NOL carryforwards, remaining amount		8,900.0
State [Member]
Income Taxes [Line Items]
NOL subject to expiration		3,700.0
Substantially All Deferred Tax Assets, Including Net Operating Losses [Member]
Income Taxes [Line Items]
Increase (decrease) in valuation allowance			(3,000.0)
American Airlines, Inc. [Member]
Income Taxes [Line Items]
Increase (decrease) in valuation allowance		(1.0)	(5,200.0)	(525.0)
Non-cash tax provision on sale of fuel hedging contracts	328.0
Income tax provision (benefit)		$ 1,662.0	(3,452.0)	320.0
Income tax expense, effective rate		37.00%
American Airlines, Inc. [Member] \| Alternative Minimum Tax Credit Carryforward [Member]
Income Taxes [Line Items]
Alternative minimum tax credit carryforwards		$ 452.0
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		11,300.0
Federal NOL carryforwards, maximum allowable utilization		9,500.0
Federal NOL carryforwards, remaining amount		9,300.0
American Airlines, Inc. [Member] \| State [Member]
Income Taxes [Line Items]
Gross NOL carryforwards		$ 3.4
American Airlines, Inc. [Member] \| Substantially All Deferred Tax Assets, Including Net Operating Losses [Member]
Income Taxes [Line Items]
Increase (decrease) in valuation allowance			$ (3,500.0)