INCOME TAXES INCOME TAXES (Details 3) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2014	Dec. 31, 2010
Deferred Tax Assets, Net [Abstract]
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities	$ 84	$ 143
Deferred tax Nuclear Decommissioning	220	214
Deferred Tax Assets, Financial Instruments	32	43
Deferred Tax Asset, Unamortized Investment, Tax Credits	19	22
Deferred Tax Unbilled Revenue	0	14
Deferred Tax Assets, Derivative Instruments	27
Deferred Tax Assets, Monetization of Bankruptcy Claims	11	12
Deferred Tax Liabilities, Tax Deferred Expense Compensation and Benefits, Employee Benefits	63	148
Deferred Tax Assets, Other	13	15
Deferred Tax Assets, Net	406	463
Deferred Tax Liabilities, Gross [Abstract]
Deferred Tax Liabilities, Property, Plant and Equipment	1,765	1,718
Deferred Tax Liabilities, Deferred Expense Fuel Costs	25	48
Deferred tax asset unrecovered plant	55	7
Deferred Tax Liabilities, Other	84	71
Deferred Tax Liabilities, Gross	2,113	2,105
Deferred Tax Liabilities, Net, Noncurrent	1,707	1,642
Deferred Tax Liabilities, Regulatory Assets	121	113
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Gross increases current period tax positions			5
Balance at the end of the period	3	0	38
SCE&G
Investments, Owned, Federal Income Tax Note [Line Items]
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	3	2		5
Deferred Tax Assets, Net [Abstract]
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities	17	73
Deferred tax Nuclear Decommissioning	209	204
Deferred Tax Asset, Unamortized Investment, Tax Credits	19	21
Deferred Tax Unbilled Revenue	0	14
Deferred Tax Assets, Derivative Instruments	27
Deferred Tax Liabilities, Tax Deferred Expense Compensation and Benefits, Employee Benefits	54	127
Deferred Tax Assets, Other	11	13
Deferred Tax Assets, Net	283	325
Deferred Tax Liabilities, Gross [Abstract]
Deferred Tax Liabilities, Property, Plant and Equipment	1,494	1,461
Deferred Tax Liabilities, Deferred Expense Fuel Costs	26	49
Deferred tax asset unrecovered plant	55	7
Deferred Tax Liabilities, Other	62	53
Deferred Tax Liabilities, Gross	1,805	1,804
Deferred Tax Liabilities, Net, Noncurrent	1,522	1,479
Deferred Tax Liabilities, Regulatory Assets	114	107
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Unrecognized Tax Benefits, Increases Resulting from Prior Period Tax Positions			5
Gross decreases tax positions in prior period		38	8
Gross increases current period tax positions	3
Balance at the end of the period	$ 3	$ 0	$ 38		$ 36