OPERATING SEGMENT INFORMATION (TABLES)

3 Months Ended

Mar. 31, 2015

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

Operating segment information is as follows (in millions):

	Three Months Ended March 31, 2015
	Alaska
	Mainline			Regional		Horizon			Consolidating			Air Group Adjusted(a)			Special Items(b)		Consolidated
Operating revenues
Passenger
Mainline	$	901		$	—	$	—		$	—		$	901		$	—	$	901
Regional	—			186		—			—			186			—		186
Total passenger revenues	901			186		—			—			1,087			—		1,087
CPA revenues	—			—		99			(99		)	—			—		—
Freight and mail	22			1		—			—			23			—		23
Other - net	142			16		1			—			159			—		159
Total operating revenues	1,065			203		100			(99		)	1,269			—		1,269
Operating expenses
Operating expenses, excluding fuel	639			164		91			(98		)	796			—		796
Economic fuel	203			32		—			—			235			—		235
Total operating expenses	842			196		91			(98		)	1,031			—		1,031
Nonoperating income (expense)
Interest income	5			—		—			—			5			—		5
Interest expense	(7		)	—		(4		)	—			(11		)	—		(11		)
Other	7			—		1			—			8			—		8
	5			—		(3		)	—			2			—		2
Income (loss) before income tax	$	228		$	7	$	6		$	(1	)	$	240		$	—	$	240

	Three Months Ended March 31, 2014
	Alaska
	Mainline			Regional			Horizon			Consolidating			Air Group Adjusted(a)			Special Items(b)			Consolidated
Operating revenues
Passenger
Mainline	$	854		$	—		$	—		$	—		$	854		$	—		$	854
Regional	—			186			—			—			186			—			186
Total passenger revenues	854			186			—			—			1,040			—			1,040
CPA revenues	—			—			91			(91		)	—			—			—
Freight and mail	23			1			—			—			24			—			24
Other - net	140			17			1			—			158			—			158
Total operating revenues	1,017			204			92			(91		)	1,222			—			1,222
Operating expenses
Operating expenses, excluding fuel	576			151			86			(90		)	723			—			723
Economic fuel	318			48			—			—			366			(8		)	358
Total operating expenses	894			199			86			(90		)	1,089			(8		)	1,081
Nonoperating income (expense)
Interest income	5			—			—			—			5			—			5
Interest expense	(8		)	—			(4		)	—			(12		)	—			(12		)
Other	18			(1		)	1			—			18			—			18
	15			(1		)	(3		)	—			11			—			11
Income (loss) before income tax	$	138		$	4		$	3		$	(1	)	$	144		$	8		$	152

^(a)  The adjusted column represents the financial information that is reviewed by management to assess performance of operations and determine capital allocations and does not include certain charges.

^(b)  Includes mark-to-market fuel-hedge accounting charges.

Total assets were as follows (in millions):

	March 31, 2015			December 31, 2014
Alaska(a)	$	7,153		$	6,772
Horizon	821			818
Parent company	3,638			3,552
Elimination of inter-company accounts	(5,202		)	(4,961		)
Consolidated	$	6,410		$	6,181

^(a)  There are no assets associated with purchased capacity flying at Alaska.