Debt - Additional Information (Detail)							1 Months Ended	3 Months Ended	6 Months Ended	12 Months Ended
	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 ($) Aircraft	Jun. 30, 2015 USD ($) Aircraft	Dec. 31, 2014 USD ($)	May. 27, 2015 USD ($)
Debt Instrument [Line Items]
Other long-term liabilities	$ 3,604,000,000					$ 3,403,000,000			$ 3,604,000,000	$ 3,403,000,000
American Airlines, Inc. [Member]
Debt Instrument [Line Items]
Other long-term liabilities	$ 2,642,000,000					2,344,000,000			2,642,000,000	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
Enhanced Equipment Trust Certificates [Member] | Equipment Notes [Member]
Debt Instrument [Line Items]
Debt instrument principal amount							$ 1,200,000,000	$ 1,200,000,000
Number of owned aircraft | Aircraft							28	28
Remaining escrowed proceeds									$ 195,000,000
Total escrowed proceeds	$ 1,000,000,000
Number of aircraft secured by liens | Aircraft									19
Number of aircraft delivered | Aircraft									9
Enhanced Equipment Trust Certificates [Member] | Equipment Notes [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
Remaining escrowed proceeds									$ 195,000,000
Total escrowed proceeds	1,000,000,000
Number of aircraft secured by liens | Aircraft									19
Number of aircraft remaining to be delivered | Aircraft									9
Enhanced Equipment Trust Certificates [Member] | 2015 Equipment Notes, Series A [Member]
Debt Instrument [Line Items]
Notes payable	$ 796,000,000								$ 796,000,000
Debt instrument, stated interest rate percentage	3.375%								3.375%
Debt instrument, maturity date									2027-05
Enhanced Equipment Trust Certificates [Member] | 2015 Equipment Notes, Series B [Member]
Debt Instrument [Line Items]
Notes payable	$ 223,000,000								$ 223,000,000
Debt instrument, stated interest rate percentage	3.70%								3.70%
Debt instrument, maturity date									2023-05
Enhanced Equipment Trust Certificates [Member] | 2014 Equipment Notes, Series A [Member] | American Airlines, Inc. [Member]
Debt Instrument [Line Items]
Notes payable	$ 796,000,000								$ 796,000,000
Debt instrument, stated interest rate percentage	3.375%								3.375%
Debt instrument, maturity date									2027-05
Enhanced Equipment Trust Certificates [Member] | 2014 Equipment Notes, Series B [Member] | American Airlines, Inc. [Member]
Debt Instrument [Line Items]
Notes payable	$ 223,000,000								$ 223,000,000
Debt instrument, stated interest rate percentage	3.70%								3.70%
Debt instrument, maturity date									2023-05
Secured Debt Member] | Other Aircraft Financing Transaction [Member]
Debt Instrument [Line Items]
Notes payable	$ 465,000,000								$ 465,000,000
Secured Debt Member] | Other Aircraft Financing Transaction [Member] | Minimum [Member]
Debt Instrument [Line Items]
Debt instrument, maturity date									2025
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	389,000,000								$ 389,000,000
Secured Debt Member] | Other Aircraft Financing Transaction [Member] | American Airlines, Inc. [Member] | Minimum [Member]
Debt Instrument [Line Items]
Debt instrument, maturity date									2025
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		2.75%						3.00%	2.50%
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		2.75%						3.00%	2.50%
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
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			3.00%					3.50%	2.75%
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			3.00%	3.50%					2.75%
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								$ 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								$ 17,000,000	$ 17,000,000
Secured Debt Member] | Special Facility Revenue Bonds [Member]
Debt Instrument [Line Items]
Debt instrument, subject to mandatory tender for purchase date									Aug. 01, 2016
Aggregate principal amount of debt exercised to reset interest rate	365,000,000								$ 365,000,000
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, 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
Debt instrument, received cash proceeds									$ 112,000,000
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, subject to mandatory tender for purchase date									Aug. 01, 2016
Aggregate principal amount of debt exercised to reset interest rate	365,000,000								$ 365,000,000
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, 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
Debt instrument, received cash proceeds									$ 112,000,000
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