SEGMENT OF BUSINESS INFORMATION (Tables)

12 Months Ended

Dec. 31, 2015

Segment Reporting Information [Line Items]

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

	Electric Operations		Gas Distribution		Retail Gas Marketing		Energy Marketing		All Other			Adjustments/ Eliminations			Consolidated Total
2015
External Revenue	$	2,551	$	810	$	449	$	569	$	5		$	(4	)	$	4,380
Intersegment Revenue	6		2		—		128		413			(549		)	—
Operating Income	876		152		n/a		n/a		236			44			1,308
Interest Expense	17		23		1		—		1			276			318
Depreciation and Amortization	277		77		2		—		16			(14		)	358
Income Tax Expense	9		32		12		6		1			333			393
Net Income	n/a		n/a		19		9		185			533			746
Segment Assets	10,883		2,606		106		95		998			2,458			17,146
Expenditures for Assets	1,087		203		—		2		15			(154		)	1,153
Deferred Tax Assets	5		29		9		6		—			(49		)	—
2014
External Revenue	$	2,622	$	1,012	$	515	$	786	$	37		$	(21	)	$	4,951
Intersegment Revenue	7		2		—		196		437			(642		)	—
Operating Income	768		159		n/a		n/a		27			53			1,007
Interest Expense	19		22		1		—		5			265			312
Depreciation and Amortization	300		72		2		—		24			(14		)	384
Income Tax Expense	7		33		16		3		12			177			248
Net Income (Loss)	n/a		n/a		26		5		(6		)	513			538
Segment Assets	10,182		2,487		140		150		1,474			2,385			16,818
Expenditures for Assets	936		200		—		2		52			(98		)	1,092
Deferred Tax Assets	11		29		11		9		15			(75		)	—
2013
External Revenue	$	2,423	$	942	$	465	$	652	$	40		$	(27	)	$	4,495
Intersegment Revenue	6		1		—		167		416			(590		)	—
Operating Income	679		153		n/a		n/a		27			51			910
Interest Expense	19		22		1		—		4			251			297
Depreciation and Amortization	297		70		3		—		26			(18		)	378
Income Tax Expense	6		33		15		4		14			151			223
Net Income (Loss)	n/a		n/a		24		6		(2		)	443			471
Segment Assets	9,488		2,340		172		133		1,378			1,616			15,127
Expenditures for Assets	907		140		—		1		31			27			1,106
Deferred Tax Assets	10		27		8		2		14			(61		)	—

SCE&G

Segment Reporting Information [Line Items]

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

Disclosure of Reportable Segments (Millions of dollars)

	Electric Operations		Gas Distribution		Adjustments/ Eliminations			Consolidated Total
2015
External Revenue	$	2,557	$	373	—			$	2,930
Operating Income	876		58		—			934
Interest Expense	17		—		$	231		248
Depreciation and Amortization	277		28		(11		)	294
Segment Assets	10,883		757		3,125			14,765
Expenditures for Assets	1,087		57		(136		)	1,008
Deferred Tax Assets	5		n/a		(5		)	—
2014
External Revenue	$	2,629	$	462	—			$	3,091
Operating Income	768		62		—			830
Interest Expense	19		—		$	209		228
Depreciation and Amortization	300		27		(12		)	315
Segment Assets	10,182		721		3,175			14,078
Expenditures for Assets	936		55		(57		)	934
Deferred Tax Assets	11		n/a		(11		)	—
2013
External Revenue	$	2,431	$	414	—			$	2,845
Operating Income	679		58		—			737
Interest Expense	19		—		$	198		217
Depreciation and Amortization	294		26		(7		)	313
Segment Assets	9,488		686		2,499			12,673
Expenditures for Assets	907		45		51			1,003
Deferred Tax Assets	10		n/a		(10		)	—