SHARE-BASED COMPENSATION Liability Awards (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Liability Awards
Percentage of Performance Award Granted in Form of Performance Shares (as a percent)	80.00%
Weight of Entity's Performance Against Pre-Determined Measures of Total Stockholder Return As Compared to Peer Groups of Utilities to Determine Payout of Performance Shares as a Percentage	50.00%
Weight of Growth in GAAP-adjusted net earnings per share from operations to determine payout of performance shares as a percent	50.00%
Restricted Stock Units
Liability Awards
Percentage of Performance Award Granted in Form of Restricted Stock Units (as a percent)	20.00%
Cash-Settled Liabilities	$ 12.2	$ 11.8	$ 13.6
Compensation Expenses Recognized Resulting From Fair Value Adjustments of Performance Awards	8.7	15.0	6.1
Capitalized Compensation Expense	1.4	2.7	0.9
SCE&G
Liability Awards
Performance cycle (in years)	3
Percentage of Performance Award Granted in Form of Performance Shares (as a percent)	80.00%
Weight of Entity's Performance Against Pre-Determined Measures of Total Stockholder Return As Compared to Peer Groups of Utilities to Determine Payout of Performance Shares as a Percentage	50.00%
Weight of Growth in GAAP-adjusted net earnings per share from operations to determine payout of performance shares as a percent	50.00%
SCE&G | Restricted Stock Units
Liability Awards
Percentage of Performance Award Granted in Form of Restricted Stock Units (as a percent)	20.00%
Cash-Settled Liabilities	3.2	8.7	2.5
Compensation Expenses Recognized Resulting From Fair Value Adjustments of Performance Awards	5.5	9.5	4.0
Capitalized Compensation Expense	$ 0.5	$ 2.1	$ 0.2