SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES RECLASSIFICATION (Tables)

9 Months Ended

Sep. 30, 2018

Condensed Statement of Income Captions [Line Items]

Statement of Income [Table Text Block]

Increase (Decrease) Millions of dollars	The Company						Consolidated SCE&G
September 30, 2017	Three Months Ended			Nine Months Ended			Three Months Ended			Nine Months Ended
Other operation and maintenance	$	(2	)	$	(8	)	$	(1	)	$	(6	)
Total Operating Expenses	(2		)	(8		)	(1		)	(6		)
Operating Income	2			8			1			6
Other Income (Expense), Net	(2		)	(8		)	(1		)	(6		)

SCEG

Condensed Statement of Income Captions [Line Items]

Statement of Income [Table Text Block]

Increase (Decrease) Millions of dollars	The Company						Consolidated SCE&G
September 30, 2017	Three Months Ended			Nine Months Ended			Three Months Ended			Nine Months Ended
Other operation and maintenance	$	(2	)	$	(8	)	$	(1	)	$	(6	)
Total Operating Expenses	(2		)	(8		)	(1		)	(6		)
Operating Income	2			8			1			6
Other Income (Expense), Net	(2		)	(8		)	(1		)	(6		)