Debt - Components of Long-Term Debt - Other Aircraft Financing Transactions (Detail) $ in Millions	12 Months Ended
Dec. 31, 2015 USD ($)
Equipment Notes [Member]
Debt Instrument [Line Items]
Repayments of long-term debt	$ 72
Equipment Notes [Member] \| American Airlines, Inc. [Member]
Debt Instrument [Line Items]
Repayments of long-term debt	72
Other Aircraft Financing Transaction [Member] \| Secured Debt [Member]
Debt Instrument [Line Items]
Notes payable	$ 1,900
Debt instrument, basis spread on variable rate	1.82%
Other Aircraft Financing Transaction [Member] \| Secured Debt [Member] \| American Airlines, Inc. [Member]
Debt Instrument [Line Items]
Notes payable	$ 1,900
Debt instrument, basis spread on variable rate	1.82%
Other Aircraft Financing Transaction [Member] \| Secured Debt [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Debt instrument, maturity date	2022
Other Aircraft Financing Transaction [Member] \| Secured Debt [Member] \| Minimum [Member] \| American Airlines, Inc. [Member]
Debt Instrument [Line Items]
Debt instrument, maturity date	2022
Other Aircraft Financing Transaction [Member] \| Secured Debt [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Debt instrument, maturity date	2027
Other Aircraft Financing Transaction [Member] \| Secured Debt [Member] \| Maximum [Member] \| American Airlines, Inc. [Member]
Debt Instrument [Line Items]
Debt instrument, maturity date	2027

Debt instruments maturity year.

No definition available.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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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.

+ Details

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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

+ Details

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- Definition

The cash outflow for debt initially having maturity due after 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 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3291-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

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