Restructuring and Other Items (Tables)

9 Months Ended

Sep. 30, 2013

Restructuring and Related Activities [Abstract]

Schedule of Restructuring and Related Costs [Table Text Block]

The following table shows amounts recorded in restructuring and other items on the Condensed Consolidated Statements of Operations and Comprehensive Income:

	Three Months Ended September 30,					Nine Months Ended September 30,
(in millions)	2013		2012			2013		2012
Severance and related costs	$	—	$	66		$	—	$	237
Facilities, fleet and other	106		122			242		171
Gain on slot exchange	—		(39		)	—		(78		)
Total restructuring and other items	$	106	$	149		$	242	$	330

Schedule of Restructuring Reserve by Type of Cost [Table Text Block]

The following table shows the balances and activity for restructuring charges:

(in millions)	Severance and Related Costs			Lease Restructuring
Balance as of December 31, 2012	$	49		$	77
Additional costs and expenses	—			7
Payments	(46		)	(11		)
Other	(3		)	(5		)
Balance as of September 30, 2013	$	—		$	68