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INCOME TAXES
 9 Months Ended
Sep. 30, 2012
income tax [Line Items]  
Income Tax, Policy [Policy Text Block]
The Company recognizes interest accrued related to unrecognized tax benefits within interest expense and recognizes tax penalties within other expenses. I
Income Tax Disclosure [Text Block]
INCOME TAXES
 
In connection with a change in method of tax accounting for certain repair costs, the Company had previously recorded approximately $38 million of unrecognized tax benefit. During the first quarter of 2012, new administrative guidance from the Internal Revenue Service was published. Under this guidance, the Company has recognized the entire $38 million of unrecognized tax benefit. Since this change was primarily a temporary difference, the recognition of this benefit did not have a significant effect on the Company's effective tax rate. No other material changes in the status of the Company's tax positions have occurred through September 30, 2012.

The Company recognizes interest accrued related to unrecognized tax benefits within interest expense and recognizes tax penalties within other expenses. In connection with the recognition of tax benefits described above, during the quarter ended March 31, 2012, the Company reversed $2 million of interest expense which had been accrued during 2011.
SCE&G
  
income tax [Line Items]  
Income Tax Disclosure [Text Block]
INCOME TAXES
 
In connection with a change in method of tax accounting for certain repair costs, Consolidated SCE&G had previously recorded approximately $38 million of unrecognized tax benefit. During the first quarter of 2012, new administrative guidance from the Internal Revenue Service was published. Under this guidance, Consolidated SCE&G has recognized the entire $38 million of unrecognized tax benefit. Since this change was primarily a temporary difference, the recognition of this benefit did not have a significant effect on Consolidated SCE&G's effective tax rate. No other material changes in the status of Consolidated SCE&G's tax positions have occurred through September 30, 2012.

Consolidated SCE&G recognizes interest accrued related to unrecognized tax benefits within interest expense and recognizes tax penalties within other expenses. In connection with the recognition of tax benefits described above, during the quarter ended March 31, 2012, Consolidated SCE&G reversed $2 million of interest expense which had been accrued during 2011. 

6.
DERIVATIVE FINANCIAL INSTRUMENTS
 
Consolidated SCE&G recognizes all derivative instruments as either assets or liabilities in the statement of financial position and measures those instruments at fair value.  Consolidated SCE&G recognizes changes in the fair value of derivative instruments either in earnings or within regulatory assets or regulatory liabilities, depending upon the intended use of the derivative and the resulting designation.  The fair value of derivative instruments is determined by reference to quoted market prices of listed contracts, published quotations or, for interest rate swaps, discounted cash flow models with independently sourced data.