OTHER ASSETS AND LIABILITIES, AND OTHER OPERATING EXPENSES (Tables)

12 Months Ended

Dec. 31, 2012

Notes to Financial Statements [Abstract]

Other Assets [Table Text Block]

		December 31,		December 31,
(in millions)		2012		2011
Derivative contracts		$	306	$	253
Intangible assets			138		155
Non-current investments			41		97
Other			148		121
	Other assets	$	633	$	626

Accrued liabilities [Table Text Block]

		December 31,		December 31,
(in millions)		2012		2011
Savings and profit sharing plans		$	135	$	110
Aircraft rentals			139		57
Vacation pay			270		248
Health			70		56
Derivative contracts			50		85
Workers compensation			159		162
Accrued Taxes			67		69
Other			212		209
	Accrued liabilities	$	1,102	$	996

Other noncurrent liabilities [Table Text Block]

		December 31,		December 31,
(in millions)		2012		2011
Postretirement obligation		$	148	$	107
Non-current lease-related obligations			376		311
Airport construction obligation			331		202
Other deferred compensation			141		125
Other			128		165
	Other non-current liabilities	$	1,124	$	910