Emergence From Chapter 11 (Schedule of Reorganization Items) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		12 Months Ended
	Dec. 31, 2013		Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Reorganization Items, Net
Pension and postretirement benefits			$ 0		$ (66)		$ 0
Labor-related deemed claim	1,733		1,733		0		0
Aircraft and facility financing renegotiations and rejections			325	[1],[2]	1,950	[1],[2]	102	[1],[2]
Fair value of conversion discount	218	[3]	218	[3]	0	[3]	0	[3]
Professional fees			199		229		14
Other			180		95		2
Total reorganization items, net			2,655		2,208		118
AA [Member]
Reorganization Items, Net
Pension and postretirement benefits			0		(66)		0
Labor-related deemed claim	1,733		1,733		0		0
Aircraft and facility financing renegotiations and rejections			320	[4],[5]	1,951	[4],[5]	102	[4],[5]
Fair value of conversion discount	218	[6]	218	[6]	0	[6]	0	[6]
Professional fees			199		227		14
Other			170		67		0
Total reorganization items, net			$ 2,640		$ 2,179		$ 116

[1] Pursuant to the Plan, the Debtors agreed to allow certain post-petition unsecured claims on obligations. As a result, during the year ended December 31, 2013, the Company recorded reorganization charges to adjust estimated allowed claim amounts previously recorded on rejected special facility revenue bonds of $180 million, allowed general unsecured claims related to the 1990 and 1994 series of special facility revenue bonds that financed certain improvements at JFK and rejected bonds that financed certain improvements at ORD, which are included in the table above.

[2] Amounts include allowed claims (claims approved by the Bankruptcy Court) and estimated allowed claims relating to (i) the rejection or modification of financings related to aircraft and (ii) entry of orders treated as unsecured claims with respect to facility agreements supporting certain issuances of special facility revenue bonds. The Debtors recorded an estimated claim associated with the rejection or modification of a financing or facility agreements when the applicable motion was filed with the Bankruptcy Court to reject or modify such financing and the Debtors believed that it was probable the motion would be approved, and there was sufficient information to estimate the claim.

[3] 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.

[4] Pursuant to the Plan, the Debtors agreed to allow certain post-petition unsecured claims on obligations. As a result, during the year ended December 31, 2013, American recorded reorganization charges to adjust estimated allowed claim amounts previously recorded on rejected special facility revenue bonds of $180 million, allowed general unsecured claims related to the 1990 and 1994 series of special facility revenue bonds that financed certain improvements at JFK and rejected bonds that financed certain improvements at ORD, which are included in the table above.

[5] Amounts include allowed claims (claims approved by the Bankruptcy Court) and estimated allowed claims relating to (i) the rejection or modification of financings related to aircraft and (ii) entry of orders treated as unsecured claims with respect to facility agreements supporting certain issuances of special facility revenue bonds. American recorded an estimated claim associated with the rejection or modification of a financing or facility agreements when the applicable motion was filed with the Bankruptcy Court to reject or modify such financing and the Debtors believed that it was probable the motion would be approved, and there was sufficient information to estimate the claim.

[6] 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.