Quarterly Financial Data (Unaudited) (Narrative) (Details) (USD $) In Millions, unless otherwise specified	0 Months Ended	3 Months Ended					12 Months Ended
	Dec. 09, 2013	Dec. 31, 2013		Sep. 30, 2013	Jun. 30, 2013	Dec. 31, 2012	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Restructuring Cost and Reserve [Line Items]
Common stock withheld for required withholding taxes related to labor related claimholders	13
Labor-related deemed claim		$ 1,733					$ 1,733		$ 0		$ 0
Adjustments		74
Fair value of conversion discount		218	[1]				218	[1]	0	[1]	0	[1]
Merger - Discount on Conversion Price of New American Stock		3.50%					3.50%
Gain related to sale of LGA slots		67					(67)	[2]	0	[2]	0	[2]
Benefit from Settlement of Commercial Dispute						280
Severance Related Charges and Write Off of Leasehold Improvements				211	106	361
Memorandum of understanding		192					192
Professional and Star Alliance exit fees		80
Severance and professional fees		58					58
Equity awards, net		56					56
Aircrafts [Member]
Restructuring Cost and Reserve [Line Items]
Impairment of Long-Lived Assets to be Disposed of		33
Fair Value Adjustment to Long-term Disability Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges		107					107
AA [Member]
Restructuring Cost and Reserve [Line Items]
Labor-related deemed claim		1,733					1,733		0		0
Adjustments		74
Fair value of conversion discount		218	[3]				218	[3]	0	[3]	0	[3]
Merger - Discount on Conversion Price of New American Stock		3.50%					3.50%
Gain related to sale of LGA slots		(67)					(67)	[2]	0	[2]	0	[2]
Benefit from Settlement of Commercial Dispute						280
Severance Related Charges and Write Off of Leasehold Improvements				211	106	360
Severance and professional fees		47					47
Equity awards, net		56					56
AA [Member] | Aircrafts [Member]
Restructuring Cost and Reserve [Line Items]
Impairment of Long-Lived Assets to be Disposed of		33
AA [Member] | Fair Value Adjustment to Long-term Disability Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges		$ 107					$ 107

[1] The Plan allows unsecured creditors receiving AAG Series A Preferred Stock a conversion discount of 3.5%. Accordingly, the Company recorded the fair value of such discount upon the confirmation of the Plan by the Bankruptcy Court.

[2] Recognition of a $67 million gain on the sale of slots at LaGuardia and Ronald Regan Washington National Airport as part of the settlement reached with the Department of Justice.

[3] The Plan allows unsecured creditors receiving Preferred Stock a conversion discount of 3.5%. Accordingly, American recorded the fair value of such discount upon the confirmation of the Plan by the Bankruptcy Court.