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COMMON EQUITY
6 Months Ended
Jun. 30, 2017
Common Equity Note [Line Items]  
Stockholders' Equity Note Disclosure [Text Block]
SCANA had 200 million shares of common stock authorized as of June 30, 2017 and December 31, 2016.

SCEG  
Common Equity Note [Line Items]  
Stockholders' Equity Note Disclosure [Text Block]
Authorized shares of SCE&G common stock were 50 million as of June 30, 2017 and December 31, 2016. Authorized shares of SCE&G preferred stock were 20 million, of which 1,000 shares, no par value, were issued and outstanding as of June 30, 2017 and December 31, 2016. All issued and outstanding shares of SCE&G's common and preferred stock are held by SCANA.