Emergence from Chapter 11 - Additional Information (Detail) $ / shares in Units, $ in Millions				6 Months Ended	12 Months Ended		25 Months Ended
	Jul. 14, 2015 USD ($) shares	Feb. 10, 2015 USD ($) shares	Dec. 09, 2013 USD ($) $ / shares shares	Dec. 31, 2015 USD ($) $ / shares shares	Dec. 31, 2015 USD ($) $ / shares shares	Dec. 31, 2014 USD ($) $ / shares shares	Dec. 31, 2015 USD ($) $ / shares shares	Dec. 09, 2015 USD ($)	Apr. 08, 2014 shares	Dec. 31, 2013
Bankruptcy [Line Items]
Common stock, par value | $ / shares			$ 0.01	$ 0.01	$ 0.01	$ 0.01	$ 0.01
Merger common stock conversion ratio			1
Common stock, shares authorized			1,750,000,000	1,750,000,000	1,750,000,000	1,750,000,000	1,750,000,000
Preferred stock, shares authorized			200,000,000
Preferred stock, par or stated value per share | $ / shares			$ 0.01
Percentage of common stock allocated to holders of unsecured claims, allowed interests and certain employees			72.00%
Percentage of common stock allocated to labor related claimholders			23.60%
Common stock allocated to labor related claimholders			39,000,000
Common stock distributed to labor related claimholders			27,000,000
Common stock withheld for required withholding taxes related to labor related claimholders			13,000,000
Payments for payroll taxes associated with equity distributions to employees | $			$ 300		$ 555
Common stock distributed to allowed interests holders of AMR			26,000,000						267,000,000
Percentage of common stock distributed to allowed interests holders of AMR			3.50%
Number of days after effective date holders of claims are eligible to receive shares			180 days
Maximum number of shares to be distributed in accordance with the Plan			756,000,000
Expected reduction in maximum number of shares to be distributed, per plan			20,000,000
Number of common shares distributed to holders of US Airways Group common stock			197,000,000
Preferred stock dividends rate per annum					6.25%
Conversion discount for unsecured creditors receiving AAG Preferred Stock				3.50%	3.50%		3.50%			3.50%
Series A Convertible Preferred Stock, conversion price floor | $ / shares				$ 10.875	$ 10.875		$ 10.875
Series A Convertible Preferred Stock, conversion price cap | $ / shares				$ 33.8080	$ 33.8080		$ 33.8080
Additional voluntary conversions description					One quarter of the shares of AAG Series A Preferred Stock initially issued was mandatorily convertible on each of the 30th, 60th, 90th and 120th days after the Effective Date, subject to additional voluntary conversions.
Shares released from restriction and issued	600,000	800,000
Stock repurchased (in shares)					85,141,691	23,406,472
Aggregate stock repurchase price | $					$ 3,586	$ 1,000
Pension contributions | $							$ 385
Payments to satisfy claims | $							108
Cure payments to holders of secured debt | $							196
Payments for payroll taxes associated with equity distributions to employees | $							570
Federal NOL carryforwards, maximum allowable utilization | $			$ 9,000					$ 9,000
Federal NOL carryforwards, remaining allowable utilization | $			$ 6,600	$ 6,600	$ 6,600		$ 6,600
American Airlines, Inc. [Member]
Bankruptcy [Line Items]
Common stock, par value | $ / shares			$ 0.01	$ 1.00	$ 1.00	$ 1.00	$ 1.00
Merger common stock conversion ratio			1
Common stock, shares authorized			1,750,000,000	1,000	1,000	1,000	1,000
Preferred stock, shares authorized			200,000,000
Preferred stock, par or stated value per share | $ / shares			$ 0.01
Percentage of common stock allocated to holders of unsecured claims, allowed interests and certain employees			72.00%
Percentage of common stock allocated to labor related claimholders			23.60%
Common stock allocated to labor related claimholders			39,000,000
Common stock distributed to labor related claimholders			27,000,000
Common stock withheld for required withholding taxes related to labor related claimholders			13,000,000
Payments for payroll taxes associated with equity distributions to employees | $			$ 300		$ 570
Common stock distributed to allowed interests holders of AMR			26,000,000						267,000,000
Percentage of common stock distributed to allowed interests holders of AMR			3.50%
Number of days after effective date holders of claims are eligible to receive shares			180 days
Maximum number of shares to be distributed in accordance with the Plan			756,000,000
Expected reduction in maximum number of shares to be distributed, per plan			20,000,000
Number of common shares distributed to holders of US Airways Group common stock			197,000,000
Preferred stock dividends rate per annum					6.25%
Conversion discount for unsecured creditors receiving AAG Preferred Stock				3.50%	3.50%		3.50%			3.50%
Series A Convertible Preferred Stock, conversion price floor | $ / shares				$ 10.875	$ 10.875		$ 10.875
Series A Convertible Preferred Stock, conversion price cap | $ / shares				$ 33.8080	$ 33.8080		$ 33.8080
Additional voluntary conversions description					One quarter of the shares of AAG Series A Preferred Stock initially issued was mandatorily convertible on each of the 30th, 60th, 90th and 120th days after the Effective Date, subject to additional voluntary conversions.
Shares released from restriction and issued	600,000	800,000
Pension contributions | $					$ 385
Payments to satisfy claims | $					108
Cure payments to holders of secured debt | $					196
Federal NOL carryforwards, maximum allowable utilization | $			$ 9,500
Federal NOL carryforwards, remaining allowable utilization | $			$ 7,300	$ 7,300	$ 7,300		$ 7,300
2013 AAG Incentive Award Plan [Member]
Bankruptcy [Line Items]
Number of common stock authorized for issuance			40,000,000
2013 AAG Incentive Award Plan [Member] | American Airlines, Inc. [Member]
Bankruptcy [Line Items]
Number of common stock authorized for issuance			40,000,000
Series A Convertible Preferred Stock [Member]
Bankruptcy [Line Items]
Preferred stock, shares authorized			168,000,000
Preferred stock, par or stated value per share | $ / shares			$ 25.00	$ 25.00	$ 25.00		$ 25.00
Series A Convertible Preferred Stock [Member] | American Airlines, Inc. [Member]
Bankruptcy [Line Items]
Preferred stock, shares authorized			168,000,000
Preferred stock, par or stated value per share | $ / shares			$ 25.00	$ 25.00	$ 25.00		$ 25.00
Common Stock [Member]
Bankruptcy [Line Items]
Shares reserved for future issuance			30,400,000	25,300,000	25,300,000	26,800,000	25,300,000
Shares released from restriction and issued	600,000	800,000
Stock repurchased (in shares)	100,000	100,000		108,500,000	85,100,000	23,400,000
Aggregate stock repurchase price | $	$ 2	$ 4		$ 4,600	$ 1	$ 1,000
Common Stock [Member] | American Airlines, Inc. [Member]
Bankruptcy [Line Items]
Shares reserved for future issuance			30,400,000	25,300,000	25,300,000	26,800,000	25,300,000
Shares released from restriction and issued	600,000	800,000
Stock repurchased (in shares)	100,000	100,000
Aggregate stock repurchase price | $	$ 2	$ 4