Basis of Presentation (Reclassification) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2014		Sep. 30, 2013		Sep. 30, 2014		Sep. 30, 2013
Operating revenues
Mainline passenger	$ 8,093		$ 5,253		$ 23,564		$ 14,755
Regional passenger	1,665		766		4,779		2,197
Cargo	215		164		643		489
Other	1,166		645		3,504		1,934
Total operating revenues	11,139		6,828		32,490		19,375
Operating expenses
Aircraft fuel and related taxes	2,829		1,950		8,370		5,764
Salaries, wages and benefits	2,137		1,380		6,419		3,931
Regional expenses	1,668		785		4,919		2,334
Maintenance, materials and repairs	529		289		1,528		932
Other rent and landing fees	431		279		1,297		851
Aircraft rent	306		192		937		538
Selling expenses	393		294		1,196		857
Depreciation and amortization	334		204		960		615
Special items, net	221		15	[1]	335		98
Other	1,031		739		3,140		2,171
Total operating expenses	9,879		6,127		29,101		18,091
Operating income	1,260		701		3,389		1,284
Nonoperating income (expense)
Interest income	7		5		22		14
Interest expense, net of capitalized interest	(210)		(226)		(667)		(642)
Other, net	(108)		(40)		(99)		(76)
Total nonoperating expense, net	(311)		(261)		(744)		(704)
Reclassifications from financing activities to operating activities							84
Historical [Member]
Operating revenues
Mainline passenger			5,253				14,755
Regional passenger			766				2,197
Cargo			163				485
Other			646				1,938
Total operating revenues			6,828				19,375
Operating expenses
Aircraft fuel and related taxes			2,220				6,559
Salaries, wages and benefits			1,546				4,480
Regional expenses			0				0
Maintenance, materials and repairs			350				1,108
Other rent and landing fees			338				1,028
Aircraft rent			186				529
Selling expenses			280				813
Depreciation and amortization			245				739
Special items, net			15				56
Other			950				2,825
Total operating expenses			6,130				18,137
Operating income			698				1,238
Nonoperating income (expense)
Interest income			5				14
Interest expense, net of capitalized interest			(196)				(602)
Other, net			(67)				(70)
Total nonoperating expense, net			(258)				(658)
AA [Member]
Operating revenues
Mainline passenger	5,321		5,253		15,579		14,755
Regional passenger	748		766		2,202		2,197
Cargo	175		164		521		489
Other	811		633		2,374		1,897
Total operating revenues	7,055		6,816		20,676		19,338
Operating expenses
Aircraft fuel and related taxes	1,894		1,951		5,662		5,764
Salaries, wages and benefits	1,412		1,379		4,251		3,925
Regional expenses	790		779		2,352		2,306
Maintenance, materials and repairs	353		288		1,031		932
Other rent and landing fees	279		280		853		851
Aircraft rent	211		192		641		538
Selling expenses	278		294		844		857
Depreciation and amortization	230		204		664		615
Special items, net	164	[2]	15	[2]	127	[2]	98	[2]
Other	746		748		2,258		2,198
Total operating expenses	6,357		6,130		18,683		18,084
Operating income	698		686		1,993		1,254
Nonoperating income (expense)
Interest income	5		5		18		14
Interest expense, net of capitalized interest	(136)		(212)		(443)		(527)
Other, net	(97)		(38)		(85)		(72)
Total nonoperating expense, net	(228)		(245)		(510)		(585)
Reclassifications from financing activities to operating activities							84
AA [Member] | Historical [Member]
Operating revenues
Mainline passenger			5,253				14,755
Regional passenger			766				2,197
Cargo			163				485
Other			634				1,901
Total operating revenues			6,816				19,338
Operating expenses
Aircraft fuel and related taxes			2,220				6,558
Salaries, wages and benefits			1,383				3,982
Regional expenses			261				792
Maintenance, materials and repairs			285				913
Other rent and landing fees			333				1,013
Aircraft rent			186				529
Selling expenses			280				813
Depreciation and amortization			242				727
Special items, net			15				55
Other			928				2,748
Total operating expenses			6,133				18,130
Operating income			683				1,208
Nonoperating income (expense)
Interest income			5				14
Interest expense, net of capitalized interest			(181)				(487)
Other, net			(66)				(66)
Total nonoperating expense, net			$ (242)				$ (539)

[1] The 2014 third quarter mainline operating special items totaled a net charge of $221 million, which principally included $166 million of merger integration expenses related to information technology, alignment of labor union contracts, professional fees, severance and retention, share-based compensation expense, re-branding of aircraft and airport facilities, relocation and training, as well as $99 million in other charges, including an $81 million charge to revise prior estimates of certain aircraft residual values, and other asset impairments. These charges were offset in part by a net $40 million credit for bankruptcy related items primarily consisting of fair value adjustments for bankruptcy settlement obligations. The 2014 nine month period mainline operating special items totaled a net charge of $335 million, which principally included $530 million of merger integration expenses as described above, $99 million in other charges, including an $81 million charge to revise prior estimates of certain aircraft residual values, and other asset impairments, as well as $46 million in charges primarily relating to the buyout of certain aircraft leases. These charges were offset in part by a $309 million gain on the sale of slots at DCA and a net $35 million credit for bankruptcy related items as described above.

[2] The 2014 third quarter mainline operating special items totaled a net charge of $164 million, which principally included $103 million of merger integration expenses related to information technology, alignment of labor union contracts, professional fees, severance and retention, share-based compensation expense, re-branding of aircraft and airport facilities, relocation and training, as well as $99 million in other charges, including an $81 million charge to revise prior estimates of certain aircraft residual values, and other asset impairments. These charges were offset in part by a net $40 million credit for bankruptcy related items primarily consisting of fair value adjustments for bankruptcy settlement obligations. The 2014 nine month period mainline operating special items totaled a net charge of $127 million, which principally included $337 million of merger integration expenses as described above, $99 million in other charges, including an $81 million charge to revise prior estimates of certain aircraft residual values, and other asset impairments, as well as $35 million in charges primarily relating to the buyout of certain aircraft leases. These charges were offset in part by a $305 million gain on the sale of slots at DCA and a net $57 million credit for bankruptcy related items as described above.