CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY AND COMPREHENSIVE INCOME - SCEG (USD $) In Millions, unless otherwise specified	Total	SOUTH CAROLINA ELECTRIC AND GAS COMPANY	Common Stock	Common Stock SOUTH CAROLINA ELECTRIC AND GAS COMPANY	Retained Earnings	Retained Earnings SOUTH CAROLINA ELECTRIC AND GAS COMPANY	Accumulated Other Comprehensive Income (Loss)	Accumulated Other Comprehensive Income (Loss) SOUTH CAROLINA ELECTRIC AND GAS COMPANY	Noncontrolling Interest	Noncontrolling Interest SOUTH CAROLINA ELECTRIC AND GAS COMPANY	Comprehensive Income (Loss)	Comprehensive Income (Loss) SOUTH CAROLINA ELECTRIC AND GAS COMPANY
Balance at Dec. 31, 2008		$ 2,799		$ 1,440		$ 1,310		$ (46)	$ 95	$ 95
Balance (in shares) at Dec. 31, 2008			118	40
Comprehensive Income (Loss):
Income Available to Common Shareholders of SCANA		288				272				7		279
Deferred Cost of Employee Benefit Plans, net of taxes $_, $19, and $8 for year ended 2011, 2010 and 2009, respectively		13.0					13.0	13.0				13.0
Total Comprehensive Income (Loss)	402	292			348	272	54	13		7	402	292
Capital contributions from parent	191	348	191	348
Cash dividends declared	(230)	(180)			(230)	(175)				(5)
Balance at Dec. 31, 2009		3,259		1,788		1,407		(33)	97	97
Balance (in shares) at Dec. 31, 2009			123	40
Comprehensive Income (Loss):
Income Available to Common Shareholders of SCANA		304				290				14		304
Deferred Cost of Employee Benefit Plans, net of taxes $_, $19, and $8 for year ended 2011, 2010 and 2009, respectively		31.0					31.0	31.0				31.0
Total Comprehensive Income (Loss)	384	335			376	290	8	31		14	384	335
Capital contributions from parent	149	146	149	146
Cash dividends declared	(239)	(199)			(239)	(192)				(7)
Balance at Dec. 31, 2010		3,541		1,934		1,505		(2)	104	104
Balance (in shares) at Dec. 31, 2010			127	40
Comprehensive Income (Loss):
Income Available to Common Shareholders of SCANA		316				306				10		316
Deferred Cost of Employee Benefit Plans, net of taxes $_, $19, and $8 for year ended 2011, 2010 and 2009, respectively		(1.0)					(1.0)	(1.0)				(1.0)
Total Comprehensive Income (Loss)	340	315			387	306	(47)	(1)		10	340	315
Capital contributions from parent	97	107	97	107
Cash dividends declared	(250)	(190)			(250)	(184)				(6)
Balance at Dec. 31, 2011		$ 3,773		$ 2,041		$ 1,627		$ (3)	$ 108	$ 108
Balance (in shares) at Dec. 31, 2011			130	40