QUARTERLY FINANCIAL INFORMATION (Tables)

12 Months Ended

Dec. 31, 2016

Statement [Line Items]

Schedule of Quarterly Financial Information [Table Text Block]

The Company
Millions of dollars, except per share amounts	First Quarter		Second Quarter		Third Quarter		Fourth Quarter		Annual
2016
Total operating revenues	$	1,172	$	905	$	1,093	$	1,057	$	4,227
Operating income	331		221		348		253		1,153
Net income	176		105		189		125		595
Earnings per share	1.23		.74		1.32		.87		4.16
2015
Total operating revenues	$	1,389	$	967	$	1,068	$	956	$	4,380
Operating income	586		216		292		214		1,308
Net income	400		99		149		98		746
Earnings per share	2.80		.69		1.04		.69		5.22

SCE&G

Statement [Line Items]

Schedule of Quarterly Financial Information [Table Text Block]

Consolidated SCE&G
Millions of dollars	First Quarter		Second Quarter		Third Quarter		Fourth Quarter		Annual
2016
Total operating revenues	$	717	$	692	$	882	$	695	$	2,986
Operating income	236		222		359		196		1,013
Net Income	116		113		204		93		526
Earnings Available to Common Shareholder	113		110		201		89		513
2015
Total operating revenues	$	772	$	709	$	806	$	643	$	2,930
Operating income	237		218		307		172		934
Net Income	126		111		167		76		480
Earnings Available to Common Shareholder	122		107		164		73		466