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Debt instrument, amount reset.

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Debt instrument maturities month year.

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Debt instruments maturity year.

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Increase (decrease) in operating lease obligation.

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Number of owned aircraft.

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Other liabilities and capital lease obligations.

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Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 30

-Section 50

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

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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.

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

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Net increase or decrease in the carrying amount of the debt instrument for the period.

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

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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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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Date the credit facility terminates, in CCYY-MM-DD format.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of long-term debt, after unamortized discount or premium, scheduled to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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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.

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Aggregate carrying amount, as of the balance sheet date, of noncurrent obligations not separately disclosed in the balance sheet. Noncurrent liabilities are expected to be paid after one year (or the normal operating cycle, if longer).

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

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The cash outflow to settle a bank borrowing during the year.

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The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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Debt - Additional Information (Detail)								1 Months Ended	3 Months Ended	9 Months Ended		12 Months Ended
Debt - Additional Information (Detail)	Sep. 30, 2015 USD ($) Aircraft	Jun. 30, 2015 USD ($)	May. 21, 2015 USD ($)	Apr. 20, 2015 USD ($)	Apr. 19, 2015	Jan. 02, 2015 USD ($)	Dec. 31, 2014 USD ($)	Mar. 31, 2015 USD ($) Aircraft	Mar. 31, 2015 USD ($) Aircraft	Sep. 30, 2015 USD ($) Aircraft	Sep. 30, 2014 USD ($)	Dec. 31, 2014 USD ($)	Aug. 31, 2015	May. 27, 2015 USD ($)
Debt Instrument [Line Items]
Early debt extinguishment gain (cost)											$ (54,000,000)
Other long-term liabilities	$ 3,624,000,000						$ 3,403,000,000			$ 3,624,000,000		$ 3,403,000,000
American Airlines, Inc. [Member]
Debt Instrument [Line Items]
Early debt extinguishment gain (cost)											$ (46,000,000)
Other long-term liabilities	$ 2,664,000,000						2,344,000,000			2,664,000,000		2,344,000,000
Equipment Notes [Member]
Debt Instrument [Line Items]
Repayments of long-term debt										72,000,000
Equipment Notes [Member] \| American Airlines, Inc. [Member]
Debt Instrument [Line Items]
Repayments of long-term debt										$ 72,000,000
Unsecured Debt [Member] \| Senior Notes, 4.625, Due in 2020 [Member]
Debt Instrument [Line Items]
Debt instrument principal amount								$ 500,000,000	$ 500,000,000
Debt instrument, stated interest rate percentage	4.625%							4.625%	4.625%	4.625%
Redemption price percentage								101.00%
Debt instrument, expiration date										Mar. 01, 2020
Debt instrument, maturity date										2020
Secured Debt Member]
Debt Instrument [Line Items]
Write off of unamortized debt discount and debt issuance costs										$ 40,000,000
Secured Debt Member] \| American Airlines, Inc. [Member]
Debt Instrument [Line Items]
Write off of unamortized debt discount and debt issuance costs										$ 41,000,000
Secured Debt Member] \| Special Facility Revenue Bonds [Member]
Debt Instrument [Line Items]
Debt instrument, stated interest rate percentage		8.50%											2.00%
Debt instrument, subject to mandatory tender for purchase date										Aug. 31, 2016
Aggregate principal amount of debt exercised to reset interest rate		$ 365,000,000
Current maturities of long-term debt	$ 365,000,000									$ 365,000,000
Write off of unamortized debt discount and debt issuance costs										20,000,000
Secured Debt Member] \| Special Facility Revenue Bonds [Member] \| Tulsa International Airport [Member]
Debt Instrument [Line Items]
Debt instrument principal amount							112,000,000					112,000,000
Debt instrument, received cash proceeds										$ 112,000,000
Debt instrument, stated interest rate percentage														5.00%
Reduction of debt												11,000,000
Reduction of long-term operating lease obligation							50,000,000
Aggregate principal amount of debt exercised														$ 104,000,000
Debt instrument, subject to mandatory tender for purchase date										Jun. 01, 2025
Other liabilities	62,000,000									$ 62,000,000
Other long-term liabilities	51,000,000									51,000,000
Capital lease obligation	11,000,000									$ 11,000,000
Secured Debt Member] \| Special Facility Revenue Bonds [Member] \| American Airlines, Inc. [Member]
Debt Instrument [Line Items]
Debt instrument, stated interest rate percentage		8.50%											2.00%
Debt instrument, subject to mandatory tender for purchase date										Aug. 31, 2016
Aggregate principal amount of debt exercised to reset interest rate		$ 365,000,000
Current maturities of long-term debt	365,000,000									$ 365,000,000
Write off of unamortized debt discount and debt issuance costs										20,000,000
Secured Debt Member] \| Special Facility Revenue Bonds [Member] \| American Airlines, Inc. [Member] \| Tulsa International Airport [Member]
Debt Instrument [Line Items]
Debt instrument principal amount							112,000,000					112,000,000
Debt instrument, received cash proceeds										$ 112,000,000
Debt instrument, stated interest rate percentage														5.00%
Reduction of debt												$ 11,000,000
Reduction of long-term operating lease obligation							$ 50,000,000
Aggregate principal amount of debt exercised														$ 104,000,000
Debt instrument, subject to mandatory tender for purchase date										Jun. 01, 2025
Other liabilities	62,000,000									$ 62,000,000
Other long-term liabilities	51,000,000									51,000,000
Capital lease obligation	11,000,000									$ 11,000,000
Secured Debt Member] \| 2014 Credit Facilities [Member]
Debt Instrument [Line Items]
Debt instrument, maturity date										2021
Secured Debt Member] \| 2014 Credit Facilities [Member] \| American Airlines, Inc. [Member]
Debt Instrument [Line Items]
Debt instrument, maturity date										2021
Secured Debt Member] \| 2014 Credit Facilities [Member] \| Term Loan Facility [Member]
Debt Instrument [Line Items]
Refinancing of credit facilities				$ 750,000,000
Secured Debt Member] \| 2014 Credit Facilities [Member] \| Term Loan Facility [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		2.75%		3.00%	3.50%
Secured Debt Member] \| 2014 Credit Facilities [Member] \| Term Loan Facility [Member] \| American Airlines, Inc. [Member]
Debt Instrument [Line Items]
Refinancing of credit facilities				$ 750,000,000
Secured Debt Member] \| 2014 Credit Facilities [Member] \| Term Loan Facility [Member] \| American Airlines, Inc. [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		2.75%		3.00%	3.50%
Secured Debt Member] \| 2014 Credit Facilities [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity				$ 400,000,000
Secured Debt Member] \| 2014 Credit Facilities [Member] \| Revolving Credit Facility [Member] \| American Airlines, Inc. [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity				$ 400,000,000
Secured Debt Member] \| AAdvantage Loan [Member]
Debt Instrument [Line Items]
Repayment of loan outstanding						$ 400,000,000
Early debt extinguishment gain (cost)									$ 17,000,000	$ 17,000,000
Secured Debt Member] \| AAdvantage Loan [Member] \| American Airlines, Inc. [Member]
Debt Instrument [Line Items]
Repayment of loan outstanding						$ 400,000,000
Early debt extinguishment gain (cost)									$ 17,000,000	17,000,000
Secured Debt Member] \| Other Aircraft Financing Transaction [Member]
Debt Instrument [Line Items]
Notes payable	1,300,000,000									$ 1,300,000,000
Secured Debt Member] \| Other Aircraft Financing Transaction [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Debt instrument, maturity date										2022
Secured Debt Member] \| Other Aircraft Financing Transaction [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Debt instrument, maturity date										2027
Secured Debt Member] \| Other Aircraft Financing Transaction [Member] \| American Airlines, Inc. [Member]
Debt Instrument [Line Items]
Notes payable	902,000,000									$ 902,000,000
Secured Debt Member] \| Other Aircraft Financing Transaction [Member] \| American Airlines, Inc. [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Debt instrument, maturity date										2023
Secured Debt Member] \| Other Aircraft Financing Transaction [Member] \| American Airlines, Inc. [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Debt instrument, maturity date										2027
Secured Debt Member] \| 2013 Credit Facilities [Member]
Debt Instrument [Line Items]
Debt instrument, maturity date										2020
Secured Debt Member] \| 2013 Credit Facilities [Member] \| American Airlines, Inc. [Member]
Debt Instrument [Line Items]
Debt instrument, maturity date										2020
Secured Debt Member] \| 2013 Credit Facilities [Member] \| Term Loan Facility [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity			$ 1,900,000,000
Term loan facility maturity date										Jun. 29, 2020
Secured Debt Member] \| 2013 Credit Facilities [Member] \| Term Loan Facility [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		2.50%	2.75%						3.00%
Secured Debt Member] \| 2013 Credit Facilities [Member] \| Term Loan Facility [Member] \| American Airlines, Inc. [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity			$ 1,900,000,000
Term loan facility maturity date										Jun. 29, 2020
Secured Debt Member] \| 2013 Credit Facilities [Member] \| Term Loan Facility [Member] \| American Airlines, Inc. [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		2.50%	2.75%						3.00%
Secured Debt Member] \| 2013 Credit Facilities [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity			$ 1,400,000,000
Secured Debt Member] \| 2013 Credit Facilities [Member] \| Revolving Credit Facility [Member] \| American Airlines, Inc. [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity			$ 1,400,000,000
2015-1 EETCs [Member]
Debt Instrument [Line Items]
Debt instrument principal amount								$ 1,200,000,000	$ 1,200,000,000
Number of owned aircraft \| Aircraft								28	28
Debt instrument, received cash proceeds	1,200,000,000
2015-1 EETCs [Member] \| American Airlines, Inc. [Member]
Debt Instrument [Line Items]
Debt instrument principal amount								$ 1,200,000,000	$ 1,200,000,000
Number of owned aircraft \| Aircraft								28	28
Debt instrument, received cash proceeds	1,200,000,000
2015-1 EETCs [Member] \| Equipment Notes, Series A [Member]
Debt Instrument [Line Items]
Notes payable	$ 948,000,000									$ 948,000,000
Debt instrument, stated interest rate percentage	3.375%									3.375%
Debt instrument, maturity date										2027-05
2015-1 EETCs [Member] \| Equipment Notes, Series A [Member] \| American Airlines, Inc. [Member]
Debt Instrument [Line Items]
Notes payable	$ 948,000,000									$ 948,000,000
Debt instrument, stated interest rate percentage	3.375%									3.375%
Debt instrument, maturity date										2027-05
2015-1 EETCs [Member] \| Equipment Notes, Series B [Member]
Debt Instrument [Line Items]
Notes payable	$ 266,000,000									$ 266,000,000
Debt instrument, stated interest rate percentage	3.70%									3.70%
Debt instrument, maturity date										2023-05
2015-1 EETCs [Member] \| Equipment Notes, Series B [Member] \| American Airlines, Inc. [Member]
Debt Instrument [Line Items]
Notes payable	$ 266,000,000									$ 266,000,000
Debt instrument, stated interest rate percentage	3.70%									3.70%
Debt instrument, maturity date										2023-05
2015-2 EETCs [Member]
Debt Instrument [Line Items]
Debt instrument principal amount	$ 1,100,000,000									$ 1,100,000,000
Number of owned aircraft \| Aircraft	21									21
Debt instrument, received cash proceeds	$ 1,100,000,000
2015-2 EETCs [Member] \| American Airlines, Inc. [Member]
Debt Instrument [Line Items]
Debt instrument principal amount	$ 1,100,000,000									$ 1,100,000,000
Number of owned aircraft \| Aircraft	21									21
Debt instrument, received cash proceeds	$ 1,100,000,000
2015-2 EETCs [Member] \| Equipment Notes, Series A [Member]
Debt Instrument [Line Items]
Notes payable	$ 239,000,000									$ 239,000,000
Debt instrument, stated interest rate percentage	4.00%									4.00%
Debt instrument, maturity date										2027-09
2015-2 EETCs [Member] \| Equipment Notes, Series A [Member] \| American Airlines, Inc. [Member]
Debt Instrument [Line Items]
Notes payable	$ 239,000,000									$ 239,000,000
Debt instrument, stated interest rate percentage	4.00%									4.00%
Debt instrument, maturity date										2027-09
2015-2 EETCs [Member] \| Equipment Notes, Series B [Member]
Debt Instrument [Line Items]
Notes payable	$ 239,000,000									$ 239,000,000
Debt instrument, stated interest rate percentage	4.40%									4.40%
Debt instrument, maturity date										2023-09
2015-2 EETCs [Member] \| Equipment Notes, Series B [Member] \| American Airlines, Inc. [Member]
Debt Instrument [Line Items]
Notes payable	$ 239,000,000									$ 239,000,000
Debt instrument, stated interest rate percentage	4.40%									4.40%
Debt instrument, maturity date										2023-09
2015-2 EETCs [Member] \| Equipment Notes, Series AA [Member]
Debt Instrument [Line Items]
Notes payable	$ 583,000,000									$ 583,000,000
Debt instrument, stated interest rate percentage	3.60%									3.60%
Debt instrument, maturity date										2027-09
2015-2 EETCs [Member] \| Equipment Notes, Series AA [Member] \| American Airlines, Inc. [Member]
Debt Instrument [Line Items]
Notes payable	$ 583,000,000									$ 583,000,000
Debt instrument, stated interest rate percentage	3.60%									3.60%
Debt instrument, maturity date										2027-09