LONG-TERM AND SHORT-TERM DEBT LONG-TERM AND SHORT-TERM DEBT (Tables)

3 Months Ended

Mar. 31, 2012

Long-Term Debt and Liquidity [Abstract]

Schedule of Line of Credit Facilities [Table Text Block]

SCANA, SCE&G (including Fuel Company) and PSNC Energy had available the following committed LOC, and had outstanding the following LOC advances, commercial paper, and LOC-supported letter of credit obligations: 

	SCANA						SCE&G						PSNC Energy
Millions of dollars	March 31, 2012			December 31, 2011			March 31, 2012			December 31, 2011			March 31, 2012			December 31, 2011
Lines of credit:
Committed long-term
Total	$	300		$	300		$	1,100		$	1,100		$	100		$	100
LOC advances	—			—			—			—			—			—
Weighted average interest rate	—		%	—		%	—		%	—		%	—		%	—		%
Outstanding commercial paper (270 or fewer days)	$	117		$	131		$	468		$	512		—			$	10
Weighted average interest rate	0.85		%	0.63		%	0.50		%	0.56		%	—		%	0.57		%
Letters of credit supported by LOC	$	3		$	3		$	0.3		$	0.3		—			—
Available	$	180		$	166		$	632		$	588		$	100		$	90