Regional Expenses (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Product Information [Line Items]
Aircraft fuel and related taxes	$ 1,120	$ 1,012	$ 946
Salaries, wages and benefits	692	681	692
Capacity purchases from third-party regional carriers	269	129	113
Maintenance, materials and repairs	284	285	286
Other rent and landing fees	236	222	238
Aircraft rent	4	6	32
Selling expenses	154	152	154
Depreciation and amortization	168	170	171
Special items, net	8	1	0
Other	391	370	377
Total regional expenses	3,326	3,028	3,009
AA [Member]
Product Information [Line Items]
Aircraft fuel and related taxes	1,055	1,012	945
Salaries, wages and benefits	20	33	32
Capacity purchases from third-party regional carriers	1,234	1,271	1,626
Maintenance, materials and repairs	7	5	3
Other rent and landing fees	207	203	111
Aircraft rent	1	6	42
Selling expenses	142	152	153
Depreciation and amortization	149	154	34
Special items, net	0	0	0
Other	259	213	153
Total regional expenses	$ 3,074	$ 3,049	$ 3,099