Indebtedness and Leases (American) (Details) (USD $)	0 Months Ended	1 Months Ended	3 Months Ended	12 Months Ended		3 Months Ended	0 Months Ended	12 Months Ended									0 Months Ended	3 Months Ended			3 Months Ended	0 Months Ended	12 Months Ended			0 Months Ended			12 Months Ended				0 Months Ended			12 Months Ended				12 Months Ended						12 Months Ended
	Mar. 12, 2013	Jan. 31, 2014	Sep. 30, 2013	Dec. 31, 2013	Jun. 30, 2013	Sep. 30, 2013 Interest Expense [Member]	Mar. 12, 2013 2013-1A/B EETC [Member] [Domain] trust	Dec. 31, 2013 2013-1 EETC [Member] Boeing Seven Three Seven Eight Two Three [Member] aircraft	Dec. 31, 2013 2013-1 EETC [Member] Boeing Seven Seven Seven Two Two Three E R [Member] aircraft	Dec. 31, 2013 2013-1 EETC [Member] Boeing Seven Seven Seven Three Two Three E R [Member] aircraft	Dec. 31, 2013 Refinancing EETC [Member] Boeing Seven Three Seven Eight Two Three [Member] aircraft	Dec. 31, 2013 Refinancing EETC [Member] Boeing Seven Seven Seven Two Two Three E R [Member] aircraft	Dec. 31, 2013 Refinancing EETC [Member] Boeing Seven Five Seven Two Two Three [Member] aircraft	Dec. 31, 2013 Refinancing EETC [Member] Boeing Seven Six Seven Three Two Three E R [Member] aircraft	Dec. 31, 2013 Secured Debt [Member] Senior Secured Credit Facility, Due 2019 [Member]	Nov. 29, 2013 Convertible Debt [Member] 6.25 Percent Senior Convertible Notes	Mar. 12, 2013 AA [Member]	Sep. 30, 2013 AA [Member]	Jan. 31, 2014 AA [Member]	Jun. 30, 2013 AA [Member]	Sep. 30, 2013 AA [Member] Interest Expense [Member]	Mar. 12, 2013 AA [Member] 2013-1A/B EETC [Member] [Domain]	Dec. 31, 2013 AA [Member] 2013-1 EETC [Member] Boeing Seven Three Seven Eight Two Three [Member] aircraft	Dec. 31, 2013 AA [Member] 2013-1 EETC [Member] Boeing Seven Seven Seven Two Two Three E R [Member] aircraft	Dec. 31, 2013 AA [Member] 2013-1 EETC [Member] Boeing Seven Seven Seven Three Two Three E R [Member] aircraft	Jun. 05, 2013 AA [Member] 2013-1 C EETC [Member] [Domain]	Sep. 30, 2013 AA [Member] 2013-1 C EETC [Member] [Domain]	Oct. 09, 2012 AA [Member] Refinancing EETC [Member]	Dec. 31, 2013 AA [Member] Refinancing EETC [Member] Boeing Seven Three Seven Eight Two Three [Member] aircraft	Dec. 31, 2013 AA [Member] Refinancing EETC [Member] Boeing Seven Seven Seven Two Two Three E R [Member] aircraft	Dec. 31, 2013 AA [Member] Refinancing EETC [Member] Boeing Seven Five Seven Two Two Three [Member] aircraft	Dec. 31, 2013 AA [Member] Refinancing EETC [Member] Boeing Seven Six Seven Three Two Three E R [Member] aircraft	Jul. 31, 2013 AA [Member] 2013-2A EETC [Member]	Nov. 27, 2013 AA [Member] Secured Debt [Member] Enhanced Equipment Trust Certificate, Series 2013-2B [Member]	Dec. 20, 2013 AA [Member] Secured Debt [Member] Enhanced Equipment Trust Certificate, Series 2013-2C [Member]	Dec. 31, 2013 AA [Member] Secured Debt [Member] Senior Secured Credit Facility, Due 2019 [Member]	Dec. 31, 2013 AA [Member] Secured Debt [Member] Senior Secured Credit Facility, Due 2019 [Member] London Interbank Offered Rate (LIBOR) [Member]	Dec. 31, 2013 AA [Member] Secured Debt [Member] 7.50% Senior Secured Notes Due 2016 [Member]	Mar. 31, 2011 AA [Member] Secured Debt [Member] 7.50% Senior Secured Notes Due 2016 [Member]	Dec. 31, 2013 AA [Member] Secured Debt [Member] 7.50% Senior Secured Notes Due 2016 [Member] Prior to March 15, 2013 [Member]	Dec. 31, 2013 AA [Member] Secured Debt [Member] 7.50% Senior Secured Notes Due 2016 [Member] Period Prior to March 15, 2014 [Member]	Dec. 31, 2013 AA [Member] Secured Debt [Member] 7.50% Senior Secured Notes Due 2016 [Member] Period Prior to March 15, 2014, Any 12-month Period [Member]	Dec. 31, 2009 AA [Member] Secured Debt [Member] AAdvantage Miles Advance Purchase [Member]	Dec. 31, 2013 AA [Member] Secured Debt [Member] Term Loan [Member] Senior Secured Credit Facility, Due 2019 [Member]	Jun. 27, 2013 AA [Member] Secured Debt [Member] Term Loan [Member] Senior Secured Credit Facility, Due 2019 [Member]	Dec. 31, 2013 AA [Member] Secured Debt [Member] Revolving Credit Facility [Member] Senior Secured Credit Facility, Due 2019 [Member]	Jun. 27, 2013 AA [Member] Secured Debt [Member] Revolving Credit Facility [Member] Senior Secured Credit Facility, Due 2019 [Member]
Debt Instrument [Line Items]
2013-1 EETC Amount							$ 664,000,000															$ 664,000,000				$ 120,000,000
2013-1 EETC Class A Interest Rate	4.00%																4.00%
2013-1 EETC Class B Interest Rate	5.625%																5.625%
Debt Instrument, Number of Pass Through Trusts							2
Number of Aircraft to be Collateralized								8	1	4	41	19	14	1									8	1	4				41	19	14	1
2013-1 EETC Class C Interest Rate																											6.125%
Debt Covenant, Minimum Aggregate Liquidity Prior to Merger																												1,500,000,000
2013-2A EETC Amount																																	1,400,000,000
2013-2 EETC Interest Rate																																	4.95%
Payments of Debt Extinguishment Costs			54,000,000			19,000,000												54,000,000			19,000,000
Premium on Tender to Holders of Existing Financings			21,000,000															21,000,000
Write off of Deferred Debt Issuance Cost			33,000,000															33,000,000
Debt Instrument, Face Amount																																		512,000,000	256,000,000				1,000,000,000
Stated interest rate percentage																6.25%																		5.60%	6.00%			7.50%	7.50%
Line of Credit Facility, Maximum Borrowing Capacity																																													1,900,000,000		1,000,000,000
Line of Credit Facility, Amount Outstanding																																												1,900,000,000		0
Line of Credit Facility, Prepayment Fee Percentage																																												0.25%		1.00%
Debt Instrument, Variable Rate Basis, Floor Rate		0.75%		1.00%															0.75%																									0.75%
Debt Instrument, Basis Spread on Variable Rate		2.75%		3.00%																																	3.00%
Debt Covenant, Minimum Aggregate Liquidity Following the Merger															2,000,000,000																					2,000,000,000
Debt Instrument, Redemption Price, Percentage																																								100.00%	107.50%	103.00%
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed																																									35.00%	10.00%
TMAT Bonds					216,000,000															216,000,000
Amount paid by Citibank for miles																																											1,000,000,000
Loans Payable																																											890,000,000
Deferred Revenue, Additions																																											$ 110,000,000
Debt Instrument, Term																																											5 years