Debt - Components of Long-Term Debt - Special Facility Revenue Bonds (Detail) - John F. Kennedy Airport [Member] $ in Millions	1 Months Ended
Jun. 30, 2016 USD ($)
Special Facility Revenue Bonds [Member]
Debt Instrument [Line Items]
Debt instrument principal amount	$ 844
Debt instrument, premium	107.00%
Gross proceeds from the issuance of bonds	$ 907
Debt instrument, stated interest rate percentage	5.00%
Write offs of unamortized bond discounts and issuance costs	$ 36
Special Facility Revenue Bonds [Member] \| Serial Bonds [Member]
Debt Instrument [Line Items]
Long-term debt, net	212
Special Facility Revenue Bonds [Member] \| Term Bonds [Member]
Debt Instrument [Line Items]
Long-term debt, net	632
Special Facility Revenue Bonds [Member] \| Term Bonds [Member] \| Term Bond Due on August 1, 2026 [Member]
Debt Instrument [Line Items]
Long-term debt, net	278
Special Facility Revenue Bonds [Member] \| Term Bonds [Member] \| Term Bond Due on August 1, 2031 [Member]
Debt Instrument [Line Items]
Long-term debt, net	354
Prior Special Facility Revenue Bonds [Member]
Debt Instrument [Line Items]
Long-term debt, net	1,000
Redemption of prior bonds	895
American Airlines, Inc. [Member] \| Special Facility Revenue Bonds [Member]
Debt Instrument [Line Items]
Debt instrument principal amount	$ 844
Debt instrument, premium	107.00%
Gross proceeds from the issuance of bonds	$ 907
Debt instrument, stated interest rate percentage	5.00%
Write offs of unamortized bond discounts and issuance costs	$ 36
American Airlines, Inc. [Member] \| Special Facility Revenue Bonds [Member] \| Serial Bonds [Member]
Debt Instrument [Line Items]
Long-term debt, net	212
American Airlines, Inc. [Member] \| Special Facility Revenue Bonds [Member] \| Term Bonds [Member]
Debt Instrument [Line Items]
Long-term debt, net	632
American Airlines, Inc. [Member] \| Special Facility Revenue Bonds [Member] \| Term Bonds [Member] \| Term Bond Due on August 1, 2026 [Member]
Debt Instrument [Line Items]
Long-term debt, net	278
American Airlines, Inc. [Member] \| Special Facility Revenue Bonds [Member] \| Term Bonds [Member] \| Term Bond Due on August 1, 2031 [Member]
Debt Instrument [Line Items]
Long-term debt, net	354
American Airlines, Inc. [Member] \| Prior Special Facility Revenue Bonds [Member]
Debt Instrument [Line Items]
Long-term debt, net	1,000
Redemption of prior bonds	$ 895

Debt instrument, premium.

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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=64930739&loc=d3e28878-108400

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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))
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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.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 210
-Section S99
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-Subparagraph (SX 210.7-03(a)(16))
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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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The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
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