Debt - Components of Long-Term Debt - 2015-2 Aircraft Enhanced Equipment Trust Certificates (Detail) - 2015-2 EETCs [Member]	1 Months Ended	12 Months Ended
Sep. 30, 2015 USD ($) Aircraft Debt_Instruments	Dec. 31, 2015 USD ($)
Debt Instrument [Line Items]
Debt instrument principal amount	$ 1,100,000,000
Number of pass-through trusts \| Debt_Instruments	3
Number of owned aircraft \| Aircraft	21
Debt instrument, received cash proceeds	$ 1,100,000,000
American Airlines, Inc. [Member]
Debt Instrument [Line Items]
Debt instrument principal amount	$ 1,100,000,000
Number of pass-through trusts \| Debt_Instruments	3
Number of owned aircraft \| Aircraft	21
Debt instrument, received cash proceeds	$ 1,100,000,000
Equipment Notes, Series AA [Member]
Debt Instrument [Line Items]
Notes payable		$ 583,000,000
Debt instrument, stated interest rate percentage		3.60%
Debt instrument, maturity date		2027-09
Equipment Notes, Series AA [Member] \| American Airlines, Inc. [Member]
Debt Instrument [Line Items]
Notes payable		$ 583,000,000
Debt instrument, stated interest rate percentage		3.60%
Debt instrument, maturity date		2027-09
Equipment Notes, Series A [Member]
Debt Instrument [Line Items]
Notes payable		$ 239,000,000
Debt instrument, stated interest rate percentage		4.00%
Debt instrument, maturity date		2027-09
Equipment Notes, Series A [Member] \| American Airlines, Inc. [Member]
Debt Instrument [Line Items]
Notes payable		$ 239,000,000
Debt instrument, stated interest rate percentage		4.00%
Debt instrument, maturity date		2027-09
Equipment Notes, Series B [Member]
Debt Instrument [Line Items]
Notes payable		$ 239,000,000
Debt instrument, stated interest rate percentage		4.40%
Debt instrument, maturity date		2023-09
Equipment Notes, Series B [Member] \| American Airlines, Inc. [Member]
Debt Instrument [Line Items]
Notes payable		$ 239,000,000
Debt instrument, stated interest rate percentage		4.40%
Debt instrument, maturity date		2023-09

Debt instrument maturities month year.

No definition available.

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- Definition

Number of owned aircraft.

+ References

No definition available.

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- Definition

Number of pass through trusts.

+ References

No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.16)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.16)
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 13, 16
-Article 9

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 19, 20, 22
-Article 5

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- Definition

The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

+ References

No definition available.

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