SEGMENT OF BUSINESS INFORMATION (Tables)

3 Months Ended

Mar. 31, 2015

Segment Reporting Information [Line Items]

Schedule of Segment Reporting Information, by Segment [Table Text Block]

Millions of dollars	External Revenue			Intersegment Revenue			Operating Income		Net Income
Three Months Ended March 31, 2015
Electric Operations	$	629		—			$	199	n/a
Gas Distribution	368			—			96		n/a
Retail Gas Marketing	204			—			n/a		$	27
Energy Marketing	187			$	35		n/a		6
All Other	4			114			238		207
Adjustments/Eliminations	(3		)	(149		)	53		160
Consolidated Total	$	1,389		$	—		$	586	$	400

Three Months Ended March 31, 2014
Electric Operations	$	678		$	2		$	198	n/a
Gas Distribution	455			—			97		n/a
Retail Gas Marketing	220			—			n/a		$	22
Energy Marketing	234			53			n/a		7
All Other	9			110			8		4
Adjustments/Eliminations	(6		)	(165		)	47		160
Consolidated Total	$	1,590		$	—		$	350	$	193

	March 31,		December 31,
Segment Assets	2015		2014
Electric Operations	$	10,300	$	10,182
Gas Distribution	2,504		2,487
Retail Gas Marketing	155		140
Energy Marketing	128		150
All Other	1,494		1,474
Adjustments/Eliminations	1,825		2,419
Consolidated Total	$	16,406	$	16,852

SCEG

Segment Reporting Information [Line Items]

Schedule of Segment Reporting Information, by Segment [Table Text Block]

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Millions of dollars	External Revenue		Operating Income		Earnings Available to Common Shareholder
Three Months Ended March 31, 2015
Electric Operations	$	630	$	199	n/a
Gas Distribution	142		38		n/a
Adjustments/Eliminations	—		—		$	122
Consolidated Total	$	772	$	237	$	122

Three Months Ended March 31, 2014
Electric Operations	$	680	$	198	n/a
Gas Distribution	179		41		n/a
Adjustments/Eliminations	—		—		$	123
Consolidated Total	$	859	$	239	$	123

Segment Assets	March 31, 2015		December 31, 2014
Electric Operations	$	10,300	$	10,182
Gas Distribution	731		721
Adjustments/Eliminations	3,103		3,204
Consolidated Total	$	14,134	$	14,107