Financial Instruments And Risk Management (Effect Of Derivative Instruments On Statements Of Operations) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014		Mar. 31, 2013
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in condensed consolidated statements of operations	$ (2)		$ 8
Fuel Derivative Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) reclassified from accumulated OCI into income	(7)	[1]	1	[1]
Amount of gain (loss) recognized in income on derivative	5	[2]	7	[2]
Amount of gain (loss) recognized in condensed consolidated statements of operations	(2)	[3]	8	[3]
Amount of gain (loss) recognized in OCI on derivative	(50)		(14)
AA [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in condensed consolidated statements of operations	(2)		8
AA [Member] | Fuel Derivative Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) reclassified from accumulated OCI into income	(7)	[1]	1	[1]
Amount of gain (loss) recognized in income on derivative	5	[2]	7	[2]
Amount of gain (loss) recognized in condensed consolidated statements of operations	(2)	[3]	8	[3]
Amount of gain (loss) recognized in OCI on derivative	(50)		(14)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Fuel Derivative Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) reclassified from accumulated OCI into income	7	[1]	(1)	[1]
Amount of gain (loss) recognized in OCI on derivative	(57)	[1]	(13)	[1]
Reclassification out of Accumulated Other Comprehensive Income [Member] | AA [Member] | Fuel Derivative Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) reclassified from accumulated OCI into income	7	[1]	(1)	[1]
Amount of gain (loss) recognized in OCI on derivative	$ (57)	[1]	$ (13)	[1]

[1] Includes the effective portion of hedge gain (loss)

[2] Includes the ineffective portion of hedge gain (loss)

[3] Includes the effective and ineffective portion of hedge gain (loss)