OTHER ASSETS AND LIABILITIES (Tables)

12 Months Ended

Dec. 31, 2011

Notes to Financial Statements [Abstract]

Other Assets [Table Text Block]

		December 31,		December 31,
(in millions)		2011		2010
Derivative contracts		$	253	$	379
Intangible assets			155		60
Non-current investments			97		97
Other			121		70
	Other assets	$	626	$	606

Accrued liabilities [Table Text Block]

		December 31,		December 31,
(in millions)		2011		2010
Retirement plans		$	110	$	171
Aircraft rentals			57		27
Vacation pay			248		200
Health			56		43
Derivative contracts			85		79
Workers compensation			162		142
Other			278		201
	Accrued liabilities	$	996	$	863

Other noncurrent liabilities [Table Text Block]

		December 31,		December 31,
(in millions)		2011		2010
Postretirement obligation		$	107	$	94
Non-current leasehold interest			311		-
Construction obligation			202		86
Other			290		285
	Other non-current liabilities	$	910	$	465