Operations by Line of Business (Notes)

12 Months Ended

Dec. 31, 2013

Segment Reporting [Abstract]

Operations by Line of Business

Note 14 - Operations by Line of Business

Questar's three principal complementary lines of business include Questar Gas, which provides retail natural gas distribution in Utah, Wyoming and Idaho; Wexpro, which develops and produces natural gas for Questar Gas customers; and Questar Pipeline, which operates interstate natural gas pipelines and storage facilities and provides other energy services. Line-of-business information is presented according to senior management's basis for evaluating performance and considering differences in the nature of products, services and regulation, among other factors. The following is a summary of operations by line of business for the three years ended December 31, 2013:

	Questar Consol.			Interco. Trans.			Questar Gas			Wexpro			Questar Pipeline			Corp and Other
	(in millions)
2013
Revenues
From unaffiliated customers	$	1,220.0		$	—		$	985.2		$	45.1		$	189.5		$	0.2
From affiliated companies	—			(372.1		)	0.6			294.8			76.7			—
Total Revenues	1,220.0			(372.1		)	985.8			339.9			266.2			0.2
Operating Expenses
Cost of sales	285.9			(370.9		)	650.6			—			6.1			0.1
Operating and maintenance	174.3			—			113.1			28.6			32.5			0.1
General and administrative	121.0			(0.6		)	52.5			28.7			46.7			(6.3		)
Production and other taxes	57.4			—			18.0			28.3			9.3			1.8
Depreciation, depletion and amortization	194.8			—			49.7			85.8			55.5			3.8
Asset impairment	80.6			—			—			—			80.6			—
Other operating expenses	—			(0.6		)	—			0.6			—			—
Total Operating Expenses	914.0			(372.1		)	883.9			172.0			230.7			(0.5		)
Net loss from asset sales	(0.2		)	—			—			(0.2		)	—			—
Operating Income	305.8			—			101.9			167.7			35.5			0.7
Interest and other income (expense)	9.9			(0.7		)	5.1			5.0			1.8			(1.3		)
Income from unconsolidated affiliate	3.7			—			—			—			3.7			—
Interest expense	(56.9		)	0.7			(22.3		)	(0.1		)	(25.8		)	(9.4		)
Income taxes	(101.3		)	—			(31.9		)	(62.0		)	(7.0		)	(0.4		)
Net Income (Loss)	$	161.2		$	—		$	52.8		$	110.6		$	8.2		$	(10.4	)
Identifiable assets	$	4,054.3		$	—		$	1,762.0		$	993.8		$	1,222.8		$	75.7
Goodwill	9.8			—			5.6			—			4.2			—
Investment in unconsolidated affiliate	25.6			—			—			—			25.6			—
Cash capital expenditures including acquisitions	503.7			—			166.2			249.5			73.4			14.6
Accrued capital expenditures including acquisitions	505.6			—			177.3			240.7			70.0			17.6
2012
Revenues
From unaffiliated customers	$	1,098.9		$	—		$	859.7		$	36.1		$	203.1		$	—
From affiliated companies	—			(351.0		)	2.5			274.1			74.4			—
Total Revenues	1,098.9			(351.0		)	862.2			310.2			277.5			—
Operating Expenses
Cost of sales	192.3			(347.7		)	533.3			—			6.7			—
Operating and maintenance	180.8			(0.2		)	119.0			26.8			35.2			—
General and administrative	120.8			(0.6		)	51.2			26.8			50.0			(6.6		)
Retirement incentive	4.9			—			2.4			0.2			0.9			1.4
Production and other taxes	47.9			—			16.2			20.8			9.1			1.8
Depreciation, depletion and amortization	181.6			—			47.2			77.4			54.3			2.7
Other operating expenses	—			(2.5		)	—			2.5			—			—

Total Operating Expenses	728.3			(351.0		)	769.3			154.5			156.2			(0.7		)
Net gain from asset sales	5.1			—			—			2.4			2.7			—
Operating Income	375.7			—			92.9			158.1			124.0			0.7
Interest and other income (expense)	7.0			(0.7		)	5.5			2.8			0.6			(1.2		)
Income from unconsolidated affiliate	3.7			—			—			—			3.7			—
Interest expense	(57.9		)	0.7			(24.1		)	—			(26.3		)	(8.2		)
Income taxes	(116.5		)	—			(27.2		)	(57.0		)	(37.3		)	5.0
Net Income (Loss)	$	212.0		$	—		$	47.1		$	103.9		$	64.7		$	(3.7	)
Identifiable assets	$	3,803.3		$	—		$	1,593.5		$	836.1		$	1,298.9		$	74.8
Goodwill	9.8			—			5.6			—			4.2			—
Investment in unconsolidated affiliate	26.5			—			—			—			26.5			—
Cash capital expenditures	370.7			—			162.1			144.5			60.6			3.5
Accrued capital expenditures	366.3			—			161.2			145.5			58.6			1.0
2011
Revenues
From unaffiliated customers	$	1,194.4		$	—		$	965.5		$	31.5		$	197.4		$	—
From affiliated companies	—			(331.3		)	3.3			253.6			74.4			—
Total Revenues	1,194.4			(331.3		)	968.8			285.1			271.8			—
Operating Expenses
Cost of sales	321.5			(327.3		)	645.7			—			3.1			—
Operating and maintenance	175.9			(0.2		)	118.5			22.3			35.3			—
General and administrative	117.9			(0.5		)	51.0			24.2			46.5			(3.3		)
Production and other taxes	52.5			—			15.0			25.6			10.1			1.8
Depreciation, depletion and amortization	159.9			—			44.5			63.9			51.2			0.3
Other operating expenses	—			(3.3		)	—			3.3			—			—
Total Operating Expenses	827.7			(331.3		)	874.7			139.3			146.2			(1.2		)
Net gain (loss) from asset sales	0.2			—			—			(0.1		)	0.3			—
Operating Income	366.9			—			94.1			145.7			125.9			1.2
Interest and other income	10.4			(0.6		)	5.4			4.2			0.9			0.5
Income from unconsolidated affiliate	3.8			—			—			—			3.8			—
Interest expense	(56.8		)	0.6			(25.9		)	—			(24.5		)	(7.0		)
Income taxes	(116.4		)	—			(27.5		)	(54.7		)	(38.2		)	4.0
Net Income (Loss)	$	207.9		$	—		$	46.1		$	95.2		$	67.9		$	(1.3	)
Identifiable assets	$	3,572.2		$	—		$	1,483.8		$	768.2		$	1,286.6		$	33.6
Goodwill	9.8			—			5.6			—			4.2			—
Investment in unconsolidated affiliate	27.3			—			—			—			27.3			—
Cash capital expenditures	367.7			—			121.5			136.2			104.5			5.5
Accrued capital expenditures	373.9			—			127.7			144.3			93.8			8.1