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

No definition available.

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- Definition

Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 20

-Article 5

Reference 2: 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)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 9

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Date the declared dividend will be paid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586

+ Details

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Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

The per share amount of a dividend declared, but not paid, as of the financial reporting date.

+ References

+ Details

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Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Date the dividend to be paid was declared, in CCYY-MM-DD format.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Details

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- Details

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- Details

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- Details

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- Details

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Subsequent Events - Additional Information (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended	0 Months Ended
	Mar. 31, 2015	Apr. 20, 2015	Dec. 31, 2014	Apr. 30, 2015
Secured Debt Member]
Subsequent Event [Line Items]
Refinancing of Credit Facilities	17,221		$ 16,713
Installment 2 FY 2015 [Member]
Subsequent Event [Line Items]
Dividends payable, record date	May 04, 2015
Dividends payable, declaration date	Apr. 24, 2015
Dividends payable, payable date	May 18, 2015
Dividend Declared [Member] \| Subsequent Event [Member] \| Common Stock [Member]
Subsequent Event [Line Items]
Dividends payable, per share				$ 0.10
2014 Credit Facilities [Member] \| Secured Debt Member]
Subsequent Event [Line Items]
Refinancing of Credit Facilities	750		750
2014 Credit Facilities [Member] \| Secured Debt Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Refinancing of Credit Facilities		400
2014 Credit Facilities [Member] \| Secured Debt Member] \| LIBOR [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Basis spread on variable rate		3.50%
2014 Credit Facilities [Member] \| New 2015 Term Loan Facility [Member] \| Secured Debt Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Refinancing of Credit Facilities		750
2014 Credit Facilities [Member] \| New 2015 Term Loan Facility [Member] \| Secured Debt Member] \| LIBOR [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Basis spread on variable rate		3.00%
American Airlines, Inc. [Member] \| Secured Debt Member]
Subsequent Event [Line Items]
Refinancing of Credit Facilities	11,778		11,249
American Airlines, Inc. [Member] \| 2014 Credit Facilities [Member] \| Secured Debt Member]
Subsequent Event [Line Items]
Refinancing of Credit Facilities	750		750
American Airlines, Inc. [Member] \| 2014 Credit Facilities [Member] \| Secured Debt Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Refinancing of Credit Facilities		400
American Airlines, Inc. [Member] \| 2014 Credit Facilities [Member] \| Secured Debt Member] \| LIBOR [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Basis spread on variable rate		3.50%
American Airlines, Inc. [Member] \| 2014 Credit Facilities [Member] \| New 2015 Term Loan Facility [Member] \| Secured Debt Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Refinancing of Credit Facilities		750
American Airlines, Inc. [Member] \| 2014 Credit Facilities [Member] \| New 2015 Term Loan Facility [Member] \| Secured Debt Member] \| LIBOR [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Basis spread on variable rate		3.00%