SEGMENT OF BUSINESS INFORMATION

6 Months Ended

Jun. 30, 2016

Segment Reporting Information [Line Items]

Segment Reporting Disclosure [Text Block]

SEGMENT OF BUSINESS INFORMATION

Regulated operations measure profitability using operating income; therefore, net income is not allocated to the Electric Operations and Gas Distribution segments. Marketing segments measure profitability using net income.

The Company's Gas Distribution segment is comprised of the local distribution operations of SCE&G and PSNC Energy which meet the criteria for aggregation. All Other includes the parent company, a services company and other nonreportable segments that were insignificant for all periods presented. In addition, All Other includes gains from the sales of CGT and SCI (see Dispositions in Note 1) and their operating results and assets prior to their sale in the first quarter of 2015. CGT and SCI were nonreportable segments during all periods presented. For the six months ended June 30, 2015, operating income and net income for All Other include $235 million and $202 million, respectively, related to the sales of CGT and SCI. External revenue and intersegment revenue for All Other related to CGT and SCI were not significant during either period presented.

The Company
Millions of dollars	External Revenue		Intersegment Revenue			Operating Income			Net Income
Three Months Ended June 30, 2016
Electric Operations	$	625	$	2		$	222		n/a
Gas Distribution	127		—			(1		)	n/a
Retail Gas Marketing	76		—			n/a			$	(2	)
Energy Marketing	77		26			n/a			2
All Other	—		104			—			(7		)
Adjustments/Eliminations	—		(132		)	—			112
Consolidated Total	$	905	$	—		$	221		$	105

Six Months Ended June 30, 2016
Electric Operations	$	1,217	$	3		$	420	n/a
Gas Distribution	426		1			93		n/a
Retail Gas Marketing	247		—			n/a		$	20
Energy Marketing	187		48			n/a		4
All Other	—		202			—		(7		)
Adjustments/Eliminations	—		(254		)	38		264
Consolidated Total	$	2,077	$	—		$	551	$	281

Three Months Ended June 30, 2015
Electric Operations	$	638	$	1		$	216		n/a
Gas Distribution	129		—			5			n/a
Retail Gas Marketing	71		—			n/a			$	(6	)
Energy Marketing	128		32			n/a			3
All Other	1		93			—			(10		)
Adjustments/Eliminations	—		(126		)	(5		)	112
Consolidated Total	$	967	$	—		$	216		$	99

Six Months Ended June 30, 2015
Electric Operations	$	1,266		$	3		$	415	n/a
Gas Distribution	497			—			101		n/a
Retail Gas Marketing	276			—			n/a		$	21
Energy Marketing	315			67			n/a		9
All Other	5			207			237		197
Adjustments/Eliminations	(3		)	(277		)	49		272
Consolidated Total	$	2,356		$	—		$	802	$	499

Consolidated SCE&G
Millions of dollars	External Revenue		Operating Income		Earnings Available to Common Shareholder
Three Months Ended June 30, 2016
Electric Operations	$	627	$	222	n/a
Gas Distributions	65		—		n/a
Adjustments/Eliminations	—		—		$	110
Consolidated Total	$	692	$	222	$	110

Six Months Ended June 30, 2016
Electric Operations	$	1,220	$	420	n/a
Gas Distributions	189		38		n/a
Adjustments/Eliminations	—		—		$	223
Consolidated Total	$	1,409	$	458	$	223

Three Months Ended June 30, 2015
Electric Operations	$	639	$	216	n/a
Gas Distributions	70		2		n/a
Adjustments/Eliminations	—		—		$	107
Consolidated Total	$	709	$	218	$	107

Six Months Ended June 30, 2015
Electric Operations	$	1,269	$	415	n/a
Gas Distributions	212		40		n/a
Adjustments/Eliminations	—		—		$	230
Consolidated Total	$	1,481	$	455	$	230

Segment Assets	The Company				Consolidated SCE&G
	June 30,		December 31,		June 30,		December 31,
Millions of dollars	2016		2015		2016		2015
Electric Operations	$	11,215	$	10,883	$	11,215	$	10,883
Gas Distribution	2,705		2,606		777		757
Retail Gas Marketing	112		106		n/a		n/a
Energy Marketing	85		95		n/a		n/a
All Other	1,022		998		n/a		n/a
Adjustments/Eliminations	2,533		2,458		3,271		3,125
Consolidated Total	$	17,672	$	17,146	$	15,263	$	14,765

SCEG

Segment Reporting Information [Line Items]

Segment Reporting Disclosure [Text Block]

SEGMENT OF BUSINESS INFORMATION

Regulated operations measure profitability using operating income; therefore, net income is not allocated to the Electric Operations and Gas Distribution segments. Marketing segments measure profitability using net income.

The Company's Gas Distribution segment is comprised of the local distribution operations of SCE&G and PSNC Energy which meet the criteria for aggregation. All Other includes the parent company, a services company and other nonreportable segments that were insignificant for all periods presented. In addition, All Other includes gains from the sales of CGT and SCI (see Dispositions in Note 1) and their operating results and assets prior to their sale in the first quarter of 2015. CGT and SCI were nonreportable segments during all periods presented. For the six months ended June 30, 2015, operating income and net income for All Other include $235 million and $202 million, respectively, related to the sales of CGT and SCI. External revenue and intersegment revenue for All Other related to CGT and SCI were not significant during either period presented.

The Company
Millions of dollars	External Revenue		Intersegment Revenue			Operating Income			Net Income
Three Months Ended June 30, 2016
Electric Operations	$	625	$	2		$	222		n/a
Gas Distribution	127		—			(1		)	n/a
Retail Gas Marketing	76		—			n/a			$	(2	)
Energy Marketing	77		26			n/a			2
All Other	—		104			—			(7		)
Adjustments/Eliminations	—		(132		)	—			112
Consolidated Total	$	905	$	—		$	221		$	105

Six Months Ended June 30, 2016
Electric Operations	$	1,217	$	3		$	420	n/a
Gas Distribution	426		1			93		n/a
Retail Gas Marketing	247		—			n/a		$	20
Energy Marketing	187		48			n/a		4
All Other	—		202			—		(7		)
Adjustments/Eliminations	—		(254		)	38		264
Consolidated Total	$	2,077	$	—		$	551	$	281

Three Months Ended June 30, 2015
Electric Operations	$	638	$	1		$	216		n/a
Gas Distribution	129		—			5			n/a
Retail Gas Marketing	71		—			n/a			$	(6	)
Energy Marketing	128		32			n/a			3
All Other	1		93			—			(10		)
Adjustments/Eliminations	—		(126		)	(5		)	112
Consolidated Total	$	967	$	—		$	216		$	99

Six Months Ended June 30, 2015
Electric Operations	$	1,266		$	3		$	415	n/a
Gas Distribution	497			—			101		n/a
Retail Gas Marketing	276			—			n/a		$	21
Energy Marketing	315			67			n/a		9
All Other	5			207			237		197
Adjustments/Eliminations	(3		)	(277		)	49		272
Consolidated Total	$	2,356		$	—		$	802	$	499

Consolidated SCE&G
Millions of dollars	External Revenue		Operating Income		Earnings Available to Common Shareholder
Three Months Ended June 30, 2016
Electric Operations	$	627	$	222	n/a
Gas Distributions	65		—		n/a
Adjustments/Eliminations	—		—		$	110
Consolidated Total	$	692	$	222	$	110

Six Months Ended June 30, 2016
Electric Operations	$	1,220	$	420	n/a
Gas Distributions	189		38		n/a
Adjustments/Eliminations	—		—		$	223
Consolidated Total	$	1,409	$	458	$	223

Three Months Ended June 30, 2015
Electric Operations	$	639	$	216	n/a
Gas Distributions	70		2		n/a
Adjustments/Eliminations	—		—		$	107
Consolidated Total	$	709	$	218	$	107

Six Months Ended June 30, 2015
Electric Operations	$	1,269	$	415	n/a
Gas Distributions	212		40		n/a
Adjustments/Eliminations	—		—		$	230
Consolidated Total	$	1,481	$	455	$	230

Segment Assets	The Company				Consolidated SCE&G
	June 30,		December 31,		June 30,		December 31,
Millions of dollars	2016		2015		2016		2015
Electric Operations	$	11,215	$	10,883	$	11,215	$	10,883
Gas Distribution	2,705		2,606		777		757
Retail Gas Marketing	112		106		n/a		n/a
Energy Marketing	85		95		n/a		n/a
All Other	1,022		998		n/a		n/a
Adjustments/Eliminations	2,533		2,458		3,271		3,125
Consolidated Total	$	17,672	$	17,146	$	15,263	$	14,765