CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012		Sep. 30, 2011
Net Income (Loss) Attributable to Parent [Abstract]
Income Available to Common Shareholders	$ 122	$ 105	$ 315		$ 289
Other Comprehensive Income (Loss)
Unrealized gains (losses) on cash flow hedging activities arising during period	1	(33)	(6)		(46)
Losses on cash flow hedging activities reclassified to net income	3	2	17		8
Amortization of deferred employee benefit plan costs reclassified to net income, net of tax	0	0	1		0
Other Comprehensive Income	4	(31)	12		(38)
Total Comprehensive Income (Loss)	126	74	327	[1]	251	[1]
SCE&G
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	132	119	281		251
Other Comprehensive Income (Loss)
Amortization of deferred employee benefit plan costs reclassified to net income, net of tax	0	0	0		0
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	132	119	281		251
Total Comprehensive Income (Loss)			281		251
Genco
Other Comprehensive Income (Loss)
Less comprehensive income attributable to noncontrolling interest	(3)	(2)	(9)		(7)
Total Comprehensive Income (Loss)			9		7
SCE&G (including Fuel Company)
Other Comprehensive Income (Loss)
Total Comprehensive Income (Loss)	$ 129	$ 117	$ 272		$ 244

[1] (1) Accumulated other comprehensive loss totaled $81.8 million as of September 30, 2012 and $93.8 million as of December 31, 2011.