Financial Instruments (Effect Of Derivative Instruments On Statements Of Operations) (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
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in condensed consolidated statements of operations	$ 7		$ 25		$ 7		$ 2
Fuel Derivative Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) reclassified from accumulated OCI into income	7	[1]	(11)	[1]	(5)		(23)
Amount of gain (loss) recognized in income on derivative	0	[2]	36	[2]	12		25
Amount of gain (loss) recognized in condensed consolidated statements of operations	7	[3]	25	[3]	7	[3]	2	[3]
Amount of gain (loss) recognized in OCI on derivative	(7)		34		(29)		(24)
AA [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in condensed consolidated statements of operations	7		25		7		2
AA [Member] | Fuel Derivative Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) reclassified from accumulated OCI into income	7	[1]	(11)	[1]	(5)	[1]	(23)	[1]
Amount of gain (loss) recognized in income on derivative	0	[2]	36	[2]	12	[2]	25	[2]
Amount of gain (loss) recognized in condensed consolidated statements of operations	7	[3]	25	[3]	7	[3]	2	[3]
Amount of gain (loss) recognized in OCI on derivative	(7)		34		(29)		(24)
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]	11	[1]	5		23
Amount of gain (loss) recognized in OCI on derivative	0	[1]	23	[1]	(34)		(47)
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]	11	[1]	5	[1]	23	[1]
Amount of gain (loss) recognized in OCI on derivative	$ 0	[1]	$ 23	[1]	$ (34)	[1]	$ (47)	[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)