Emergence From Chapter 11 and Merger with US Airways Group (Narrative) (Details) (USD $)	0 Months Ended	4 Months Ended	10 Months Ended				0 Months Ended	3 Months Ended	9 Months Ended		0 Months Ended	10 Months Ended			0 Months Ended
	Dec. 09, 2013	Apr. 08, 2014	Sep. 30, 2014	Dec. 31, 2013	Dec. 09, 2013	Dec. 09, 2013 Series A Preferred Stock [Member]	Jul. 01, 2014 Common Stock [Member]	Sep. 30, 2014 Common Stock [Member]	Sep. 30, 2014 Common Stock [Member]	Dec. 09, 2013 2013 AAG Incentive Award Plan [Member]	Dec. 09, 2013 AA [Member]	Sep. 30, 2014 AA [Member]	Dec. 31, 2013 AA [Member]	Dec. 09, 2013 AA [Member]	Jul. 01, 2014 AA [Member] Common Stock [Member]	Sep. 30, 2014 AA [Member] Common Stock [Member]	Sep. 30, 2014 Internal Revenue Service (IRS) [Member] AA [Member]
Reorganization [Line Items]
Common stock, par value (usd per share)			$ 0.01	$ 0.01	$ 0.01							$ 1	$ 1
Merger common stock conversion ratio	1.0
Common stock, shares authorized (shares)			1,750,000,000	1,750,000,000	1,750,000,000							1,000	1,000
Preferred stock, shares authorized (shares)					200,000,000	168,000,000
Preferred stock, par or stated value per share (usd per share)					$ 0.01	$ 25
Number of common stock authorized for issuance (shares)										40,000,000
Common shares authorized to be distributed to debtor's stakeholders (percent)					72.00%
Percentage of Common Stock allocated to holders of unsecured claims, allowed interests and certain employees (percent)					72.00%
Percentage of common stock allocated to labor related claimholders (percent)					23.60%
Common stock allocated to labor related claimholders (shares)					39,000,000
Common stock distributed to labor related claimholders (shares)	27,000,000
Common stock withheld for required withholding taxes related to labor related claimholders (shares)	13,000,000
Payments for payroll taxes associated with equity distributions to employees	$ 300,000,000		$ 561,000,000								$ 300,000,000	$ 561,000,000
Common stock distributed to allowed interests holders of AMR (shares)	26,000,000	267,000,000
Percentage of common stock distributed to allowed interests holders of AMR (percent)					3.50%
Number of days after effective date holders of claims are eligible to receive shares	180 days										180 days
Maximum number of shares to be distributed in accordance with the Plan (shares)					756,060,441
Pension contributions			385,000,000									385,000,000
Payments to satisfy claims			108,000,000									108,000,000
Cure payments to holders of secured debt			196,000,000									196,000,000
Expected reduction in maximum number of shares to be distributed, per plan (shares)					20,000,000
Number of common shares distributed to holders of US Airways Group common stock (shares)					197,000,000
Reserve for disputed claims					755,000,000									755,000,000
Shares released from restriction and issued (shares)							2,900,000								2,900,000
Stock repurchased (in shares)							400,000	2,900,000	2,900,000						400,000
Aggregate stock repurchase price							19,000,000	113,000,000	113,000,000						19,000,000
Shares reserved for future issuance (shares)								27,500,000	27,500,000							27,500,000
Federal NOL carryforwards, maximum allowable utilization			$ 9,000,000,000														$ 9,500,000,000