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INCOME TAXES
3 Months Ended
Mar. 31, 2016
income tax [Line Items]  
Income Tax Disclosure [Text Block]
INCOME TAXES
 
Consolidated SCE&G is included in the consolidated federal income tax returns of SCANA and files various applicable state and local income tax returns.

During 2013 and 2014, SCANA amended certain of its tax returns to claim certain tax-defined research and development deductions and credits and its related impact on domestic production activities. SCANA also made similar claims in filing its 2013 and 2014 returns in 2014 and 2015, respectively. In connection with these federal and state filings, the Company and Consolidated SCE&G recorded an unrecognized tax benefit of $49 million. If recognized, $17 million of the tax benefit would affect the Company’s and Consolidated SCE&G's effective tax rate. It is reasonably possible that these tax benefits will increase by an additional $7 million within the next 12 months. It is also reasonably possible that these tax benefits may decrease by $8 million within the next 12 months. No other material changes in the status of the Company’s or Consolidated SCE&G's tax positions have occurred through March 31, 2016.

The Company and Consolidated SCE&G recognize interest accrued related to unrecognized tax benefits within interest expense or interest income and recognize tax penalties within other expenses.  Amounts recorded for such interest income, interest expense or tax penalties have not been material.
SCEG  
income tax [Line Items]  
Income Tax Disclosure [Text Block]
INCOME TAXES
 
Consolidated SCE&G is included in the consolidated federal income tax returns of SCANA and files various applicable state and local income tax returns.

During 2013 and 2014, SCANA amended certain of its tax returns to claim certain tax-defined research and development deductions and credits and its related impact on domestic production activities. SCANA also made similar claims in filing its 2013 and 2014 returns in 2014 and 2015, respectively. In connection with these federal and state filings, the Company and Consolidated SCE&G recorded an unrecognized tax benefit of $49 million. If recognized, $17 million of the tax benefit would affect the Company’s and Consolidated SCE&G's effective tax rate. It is reasonably possible that these tax benefits will increase by an additional $7 million within the next 12 months. It is also reasonably possible that these tax benefits may decrease by $8 million within the next 12 months. No other material changes in the status of the Company’s or Consolidated SCE&G's tax positions have occurred through March 31, 2016.

The Company and Consolidated SCE&G recognize interest accrued related to unrecognized tax benefits within interest expense or interest income and recognize tax penalties within other expenses.  Amounts recorded for such interest income, interest expense or tax penalties have not been material.