EMPLOYEE BENEFIT PLANS (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets		$ 799.0	$ 755.0
Defined Benefit Plan Health Care Cost Trend Rate, Assumed		7.80%
Defined Benefit Plan, Accumulated Benefit Obligation		0	0
Defined Benefit Plan, Ultimate Health Care Cost Trend Rate		5.00%
Defined Benefit Plan, Effect of One Percentage Point Increase on Accumulated Postretirement Benefit Obligation		0
Defined Benefit Plan, Effect of One Percentage Point Decrease on Accumulated Postretirement Benefit Obligation		0
Other Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Pension and Other Postretirement Benefit Plans, Amounts that Will be Amortized from Accumulated Other Comprehensive Income (Loss) in Next Fiscal Year	0.2
Defined Benefit Plan, Deferred Debit Attributable to Share of Regulatory Authority		0	0
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Gains (Losses), before Tax		3.7	1.7
Pension and Other Postretirement Defined Benefit Plans, Current Liabilities		(11.0)	(10.5)
Defined Benefit Plan, Assets for Plan Benefits, Noncurrent		(254.3)	(215.6)
Defined Benefit Plan, Fair Value of Plan Assets		0	0
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate		4.19%	5.35%
Defined Benefit Plan, Benefits Paid		(13.8)	(14.3)
Defined Benefit Plan, Contributions by Plan Participants		2.9	3.2
Defined Benefit Plan, Benefit Obligation		265.3	226.1	213.5
Service cost		4.8	4.3	4.2
Interest cost		11.9	12.2	11.9
Defined Benefit Plan, Amortization of Transition Obligations (Assets)		0.7	0.7	0.7
Defined Benefit Plan, Actuarial Net (Gains) Losses		(33.4)	(7.2)
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase		3.75%	4.00%
Defined Benefit Plan, Ultimate Health Care Cost Trend Rate		5.00%	5.00%	5.00%
Defined Benefit Plan, Funded Status of Plan		(265.3)	(226.1)
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Prior Service Cost (Credit), before Tax		0.1	0.1
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Transition Assets (Obligations), before Tax		0.1	0.2
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), before Tax		3.9	2.0
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Pension and Other Postretirement Benefit Plans, Amounts that Will be Amortized from Accumulated Other Comprehensive Income (Loss) in Next Fiscal Year	0.8
Defined Benefit Plan, Deferred Debit Attributable to Share of Regulatory Authority		0	0
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Gains (Losses), before Tax		10.7	9.6
Defined Benefit Plan, Assets for Plan Benefits, Noncurrent		(132.5)	(75.1)
Defined Benefit Plan, Fair Value of Plan Assets		799.1	755.0	817.2
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate		4.10%	5.25%
Defined Benefit Plan, Benefits Paid		(57.6)	(43.9)
Defined Benefit Plan, Contributions by Plan Participants		0	0
Defined Benefit Plan, Benefit Obligation		931.6	830.1	811.8
Service cost		19.6	18.3	17.9
Interest cost		43.0	43.5	44.0
Expected return on assets		59.5	63.7	61.4
Defined Benefit Plan, Amortization of Transition Obligations (Assets)		0	0	0
Defined Benefit Plan, Actuarial Net (Gains) Losses		(96.5)	(0.4)
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase		3.75%	4.00%
Defined Benefit Plan, Funded Status of Plan		(132.5)	(75.1)
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Prior Service Cost (Credit), before Tax		1.0	1.2
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), before Tax		11.7	10.8
Defined Benefit Plan, Actual Return on Plan Assets		101.7	(18.3)
SCE&G
Defined Benefit Plan Disclosure [Line Items]
Pension and Other Postretirement Benefit Plans, Amounts that Will be Amortized from Accumulated Other Comprehensive Income (Loss) in Next Fiscal Year	0
Defined Benefit Plan, Period for which Annual Base Earnings are Considered Under Average Pay Formula		3
Defined Benefit Plan, Fair Value of Plan Assets		732.0	695.0
Defined Benefit Plan Health Care Cost Trend Rate, Assumed		7.80%
Defined Benefit Plan, Accumulated Benefit Obligation		0
Defined Benefit Plan, Ultimate Health Care Cost Trend Rate		5.00%
Defined Benefit Plan, Effect of One Percentage Point Increase on Accumulated Postretirement Benefit Obligation		0	0
Defined Benefit Plan, Effect of One Percentage Point Decrease on Accumulated Postretirement Benefit Obligation		0
SCE&G | Other Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Deferred Debit Attributable to Share of Regulatory Authority		0	0
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Gains (Losses), before Tax		1.1	0.4
Pension and Other Postretirement Defined Benefit Plans, Current Liabilities		(8.5)	(8.3)
Defined Benefit Plan, Assets for Plan Benefits, Noncurrent		(197.5)	(170.1)
Defined Benefit Plan, Fair Value of Plan Assets		0	0
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate		4.19%	5.35%
Defined Benefit Plan, Benefits Paid		(10.8)	(11.2)
Defined Benefit Plan, Amounts Funded to Parent		(3.2)	(3.0)
Defined Benefit Plan, Contributions by Plan Participants		2.3	2.5
Defined Benefit Plan, Benefit Obligation		206.0	178.4	171.5
Service cost		3.7	3.4	3.2
Interest cost		9.4	9.6	9.3
Defined Benefit Plan, Amortization of Transition Obligations (Assets)		0	(0.1)	(0.1)
Defined Benefit Plan, Actuarial Net (Gains) Losses		(26.2)	(5.6)
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase		3.75%	4.00%
Defined Benefit Plan, Ultimate Health Care Cost Trend Rate		5.00%	5.00%	5.00%
Defined Benefit Plan, Funded Status of Plan		(206.0)	(178.4)
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Prior Service Cost (Credit), before Tax		0	0.1
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), before Tax		1.1	0.5
SCE&G | Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Deferred Debit Attributable to Share of Regulatory Authority		0	0
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Gains (Losses), before Tax		2.7	2.4
Defined Benefit Plan, Assets for Plan Benefits, Noncurrent		(56.4)	(9.7)
Defined Benefit Plan, Fair Value of Plan Assets		732.0	695.3	745.2
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate		4.10%	5.25%
Defined Benefit Plan, Benefits Paid		(49.0)	(37.1)
Defined Benefit Plan, Amounts Funded to Parent		0	0
Defined Benefit Plan, Contributions by Plan Participants		0	0
Defined Benefit Plan, Benefit Obligation		788.4	705.0	687.8
Service cost		15.7	14.7	14.0
Interest cost		36.4	37.0	41.2
Expected return on assets		50.4	54.2	58.0
Defined Benefit Plan, Amortization of Transition Obligations (Assets)		0	0	0
Defined Benefit Plan, Actuarial Net (Gains) Losses		(80.3)	(2.6)
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase		3.75%	4.00%
Defined Benefit Plan, Funded Status of Plan		(56.4)	(9.7)
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Prior Service Cost (Credit), before Tax		0.2	0.3
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), before Tax		2.9	2.7
Defined Benefit Plan, Actual Return on Plan Assets		$ 85.7	$ (12.8)