ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Tables)

12 Months Ended

Dec. 31, 2012

Notes to Financial Statements [Abstract]

Rollforward of the Amounts Included in AOCI, net of taxes

								Accumulated other
		Fuel hedge		Interest rate				comprehensive
(in millions)		derivatives		derivatives		Other		income (loss)
Balance at December 31, 2010		$	(250)	$	(34)	$	22	$	(262)
	2011 changes in fair value		(44)		(32)		3		(73)	(a)
	Reclassification to earnings		111		-		-		111	(b)
Balance at December 31, 2011		$	(183)	$	(66)	$	25	$	(224)
	2012 changes in fair value		19		(1)		(14)		4	(c)
	Reclassification to earnings		101		-		-		101	(d)
Balance at December 31, 2012		$	(63)	$	(67)	$	11	$	(119)
(a) Net of deferred taxes of ($46) million.
(b) Net of deferred taxes of $69 million.
(c) Net of deferred taxes of $3 million.
(d) Net of deferred taxes of $63 million.