Debt (Narrative) (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended	1 Months Ended		1 Months Ended				1 Months Ended							9 Months Ended	1 Months Ended			9 Months Ended				1 Months Ended		9 Months Ended	1 Months Ended
	Sep. 30, 2014	May 31, 2014 Equipment Notes [Member]	Sep. 30, 2014 Industrial Development Bonds, 6.30, Due in 2023 [Member]	May 31, 2014 Convertible Senior Notes, 7.25, Due in 2014 [Member]	Mar. 31, 2014 Convertible Senior Notes, 7.25, Due in 2014 [Member]	Sep. 30, 2014 Secured Debt [Member] Other Aircraft Financing Transaction [Member]	Sep. 30, 2014 Secured Debt [Member] 7.50% Senior Secured Notes Due 2016 [Member]	Aug. 31, 2014 Secured Debt [Member] Special Facility Revenue Bonds, Due Through 2035 [Member]	Sep. 30, 2014 Unsecured Debt [Member] Senior Notes, 5.50, Due in 2019 [Member]	Sep. 30, 2014 Unsecured Debt [Member] Convertible Senior Notes, 7.25, Due in 2014 [Member]	Apr. 30, 2014 US Airways Group [Member] Enhanced Equipment Trust Certificate [Member] 2013 Equipment Notes, Series A [Member]	Apr. 30, 2014 US Airways Group [Member] Enhanced Equipment Trust Certificate [Member] 2013 Equipment Notes, Series B [Member]	Sep. 30, 2014 US Airways Group [Member] Enhanced Equipment Trust Certificate [Member] 2013 Equipment Notes, Series A and B [Member]	Sep. 30, 2014 US Airways Group [Member] Enhanced Equipment Trust Certificate [Member] Equipment Notes, 2013 [Member]	Sep. 30, 2014 AA [Member]	May 31, 2014 AA [Member] Equipment Notes [Member]	Sep. 30, 2014 AA [Member] Industrial Development Bonds, 6.30, Due in 2023 [Member]	Sep. 30, 2014 AA [Member] Enhanced Equipment Trust Certificate [Member]	Sep. 30, 2014 AA [Member] Enhanced Equipment Trust Certificate [Member] Equipment Notes, 2014 [Member] aircraft	Sep. 30, 2014 AA [Member] Enhanced Equipment Trust Certificate [Member] 2014 Equipment Notes, Series A [Member]	Sep. 30, 2014 AA [Member] Enhanced Equipment Trust Certificate [Member] 2014 Equipment Notes, Series B [Member]	Sep. 30, 2014 AA [Member] Secured Debt [Member] Other Aircraft Financing Transaction [Member]	Jul. 31, 2014 AA [Member] Secured Debt [Member] 7.50% Senior Secured Notes Due 2016 [Member]	Mar. 31, 2014 AA [Member] Secured Debt [Member] 7.50% Senior Secured Notes Due 2016 [Member]	Sep. 30, 2014 AA [Member] Secured Debt [Member] 7.50% Senior Secured Notes Due 2016 [Member]	Aug. 31, 2014 AA [Member] Secured Debt [Member] Special Facility Revenue Bonds, Due Through 2035 [Member]
Debt Instrument [Line Items]
Repayments of long-term debt	$ 312	$ 113		$ 175											$ 98	$ 61							$ 900	$ 100
Stated interest rate percentage (percent)					7.25%		7.50%		5.50%	7.25%	3.95%	5.375%								3.70%	4.375%			7.50%
Write off of unamortized deferred issuance cost								5																	5	5
Redemption price (percent)									101.00%														103.75%	103.00%
Notes payable			135			141					423	136		559			62			742	215	141
Aggregate principal amount of debt exercised to reset interest rate																										220
Payments of debt premiums								2																	37	2
Principal amount									$ 750				$ 820					$ 957	$ 957	$ 742	$ 215
Number of aircraft purchased																			17