AMR Eagle Divestiture (Details) (USD $)	Dec. 31, 2011
Divestiture [Line Items]
Net book value of transferred jet aircraft	$ 2,300,000,000
Outstanding indebtedness (net of discount) associated with transferred Jet Aircraft	2,482,000,000
Minimum [Member]
Divestiture [Line Items]
Fixed interest rate of notes	4.25%
Floating interest rate of notes	2.247%
Maximum [Member]
Divestiture [Line Items]
Fixed interest rate of notes	7.50%
Floating interest rate of notes	3.261%
Jet Aircraft [Member]
Divestiture [Line Items]
Outstanding indebtedness (net of discount) associated with transferred Jet Aircraft	$ 2,100,000,000
Embraer 135, 140, And 145 Jet Aircraft [Member]
Divestiture [Line Items]
Purchase commitments	216
CRJ-700 Jet Aircraft [Member]
Divestiture [Line Items]
Purchase commitments	47

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Net book value of transferred jet aircraft

+ References

No definition available.

+ Details

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- Definition

Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date. May include notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, which had initial maturities beyond one year or beyond the normal operating cycle, if longer, and after deducting unamortized discount or premiums, if any.

+ 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)

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

Reference 2: 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 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 7

-Section 03

-Paragraph 16

Reference 4: 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 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 9

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 20, 22

-Article 5

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- Definition

The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

+ References

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- Definition

The minimum number of units that must be purchased, in connection with an unconditional purchase obligation that has been recognized for financial reporting purposes.

+ References

No definition available.

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