Segment Reporting (Operating Revenues By Geographic Region) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended																12 Months Ended
	Dec. 31, 2013		Sep. 30, 2013		Jun. 30, 2013		Mar. 31, 2013		Dec. 31, 2012		Sep. 30, 2012		Jun. 30, 2012		Mar. 31, 2012		Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Segment Reporting Information [Line Items]
Total consolidated revenues	$ 7,367	[1]	$ 6,828	[1]	$ 6,449	[1]	$ 6,098	[1]	$ 5,937	[1]	$ 6,429	[1]	$ 6,452	[1]	$ 6,037	[1]	$ 26,743	$ 24,855	$ 23,979
DOT Domestic [Member]
Segment Reporting Information [Line Items]
Total consolidated revenues																	15,376	14,287	13,804
DOT Latin America [Member]
Segment Reporting Information [Line Items]
Total consolidated revenues																	6,288	5,813	5,460
DOT Atlantic [Member]
Segment Reporting Information [Line Items]
Total consolidated revenues																	3,756	3,411	3,499
DOT Pacific [Member]
Segment Reporting Information [Line Items]
Total consolidated revenues																	1,323	1,344	1,216
AA [Member]
Segment Reporting Information [Line Items]
Total consolidated revenues	6,422	[2]	6,816	[2]	6,437	[2]	6,085	[2]	5,925	[2]	6,422	[2]	6,447	[2]	6,031	[2]	25,760	24,825	23,957
AA [Member] | DOT Domestic [Member]
Segment Reporting Information [Line Items]
Total consolidated revenues																	14,603	14,257	13,782
AA [Member] | DOT Latin America [Member]
Segment Reporting Information [Line Items]
Total consolidated revenues																	6,197	5,813	5,460
AA [Member] | DOT Atlantic [Member]
Segment Reporting Information [Line Items]
Total consolidated revenues																	3,638	3,411	3,499
AA [Member] | DOT Pacific [Member]
Segment Reporting Information [Line Items]
Total consolidated revenues																	$ 1,322	$ 1,344	$ 1,216

[1] To conform to current year presentation, certain operating revenue and expenses in prior years have been reclassified. As a result, prior year amounts may not agree to the amounts previously reported. See Note 4 for additional information.

[2] To conform to current year presentation, certain operating revenue and expenses in prior years have been reclassified. As a result, prior year amounts may not agree to the amounts previously reported. See Note 4 to American's Consolidated Financial Statements for additional information.