OTHER ASSETS AND LIABILITIES

3 Months Ended

Sep. 30, 2012

Notes to Financial Statements [Abstract]

OTHER ASSETS AND LIABILITIES

7.OTHER ASSETS AND LIABILITIES

		September 30,		December 31,
(in millions)		2012		2011
Derivative contracts		$	294	$	253
Intangible assets			144		155
Non-current investments			42		97
Other			139		121
	Other assets	$	619	$	626

		September 30,		December 31,
(in millions)		2012		2011
Retirement plans		$	114	$	110
Aircraft rentals			105		57
Vacation pay			263		248
Health			60		56
Derivative contracts			90		85
Workers compensation			155		162
Accrued taxes			61		68
Other			192		210
	Accrued liabilities	$	1,040	$	996

		September 30,		December 31,
(in millions)		2012		2011
Postretirement obligation		$	116	$	107
Non-current lease-related obligations			419		311
Airport construction obligation			304		202
Other			275		290
	Other non-current liabilities	$	1,114	$	910