CONSOLIDATED STATEMENTS OF INCOME (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Operating Revenues:
Electric Domestic Regulated Revenue	$ 2,423	$ 2,446	$ 2,424
Regulated Operating Revenue, Gas	955	774	849
Gas-nonregulated	1,117	956	1,136
Regulated and Unregulated Operating Revenue	4,495	4,176	4,409
Operating Expenses [Abstract]
Fuel used in electric generation	745	838	917
Purchased power	43	28	19
Gas purchased for resale	1,491	1,198	1,455
Other operation and maintenance	708	690	658
Depreciation and amortization	378	356	346
Other taxes	220	207	201
Total Operating Expenses	3,585	3,317	3,596
Operating Income	910	859	813
Other Income (Expense):
Other income	100	59	52
Other expenses	(46)	(42)	(40)
Interest charges, net of allowance for borrowed funds used during construction	(297)	(295)	(284)
Allowance for equity funds used during construction	27	21	14
Total Other Expense	(216)	(257)	(258)
Income Before Income Tax Expense	694	602	555
Income Tax Expense (Benefit)	223	182	168
Income Available to Common Shareholders	471	420	387
Per Common Share Data
Earnings Per Share, Basic	$ 3.40	$ 3.20	$ 3.01
Earnings Per Share, Diluted	$ 3.39	$ 3.15	$ 2.97
Weighted Average Common Shares Outstanding (millions)
Weighted Average Number of Shares Outstanding, Basic	138.7	131.1	128.8
Weighted Average Number of Shares Outstanding, Diluted	139.1	133.3	130.2
Dividends Declared Per Share of Common Stock (in dollars per share)	$ 2.03	$ 1.98	$ 1.94
SCE&G
Operating Revenues:
Electric Domestic Regulated Revenue	2,431	2,453	2,432
Regulated Operating Revenue, Gas	414	356	387
Regulated Operating Revenue	2,845	2,809	2,819
Operating Expenses [Abstract]
Fuel used in electric generation	751	844	922
Purchased power	43	28	19
Gas purchased for resale	244	197	240
Other operation and maintenance	557	542	515
Depreciation and amortization	313	293	286
Other taxes	200	188	183
Total Operating Expenses	2,108	2,092	2,165
Operating Income	737	717	654
Other Income (Expense):
Other income	53	0	5
Other expenses	(18)	(18)	(12)
Interest charges, net of allowance for borrowed funds used during construction	(217)	(211)	(204)
Allowance for equity funds used during construction	25	21	13
Total Other Expense	(157)	(208)	(198)
Income Before Income Tax Expense	580	509	456
Income Tax Expense (Benefit)	189	157	140
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	391	352	316
Net Income (Loss) Attributable to Noncontrolling Interest	11	11	10
Net Income (Loss) Attributable to Parent	$ 380	$ 341	$ 306