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SEGMENT OF BUSINESS INFORMATION (Tables)
 9 Months Ended
Sep. 30, 2012
Segment Reporting Information [Line Items]  
Schedule of Segment Reporting Information, by Segment [Table Text Block]
industries.
 
 
External
 
Intersegment
 
Operating
 
Net
 
Millions of dollars
 
Revenue
 
Revenue
 
Income
 
Income
 
Three Months Ended September 30, 2012
 
 
 
 
 
 
 
 
 
Electric Operations
 
$
714

 
$
2

 
$
243

 
n/a

 
Gas Distribution
 
107

 
—

 
(7
)
 
n/a

 
Retail Gas Marketing
 
64

 
—

 
n/a

 
$
(5
)
 
Energy Marketing
 
151

 
35

 
n/a

 
1

 
All Other
 
11

 
100

 
6

 
(3
)
 
Adjustments/Eliminations
 
(9
)
 
(137
)
 
(4
)
 
129

 
Consolidated Total
 
$
1,038

 
$
—

 
$
238

 
$
122

 
 
 
 
 
 
 
 
 
 
 
Nine months Ended September 30, 2012
 
 

 
 

 
 

 
 

 
Electric Operations
 
$
1,851

 
$
7

 
$
534

 
n/a

 
Gas Distribution
 
507

 
—

 
81

 
n/a

 
Retail Gas Marketing
 
288

 
—

 
n/a

 
$
3

 
Energy Marketing
 
402

 
84

 
n/a

 
5

 
All Other
 
32

 
309

 
17

 
(2
)
 
Adjustments/Eliminations
 
(26
)
 
(400
)
 
15

 
309

 
Consolidated Total
 
$
3,054

 
$
—

 
$
647

 
$
315

 
 
 
 
 
 
 
 
 
 
 
Three Months Ended September 30, 2011
 
 

 
 

 
 

 
 

 
Electric Operations
 
$
728

 
$
2

 
$
225

 
n/a

 
Gas Distribution
 
114

 
1

 
(11
)
 
n/a

 
Retail Gas Marketing
 
68

 
—

 
n/a

 
$
(5
)
 
Energy Marketing
 
180

 
49

 
n/a

 
2

 
All Other
 
10

 
102

 
5

 
(6
)
 
Adjustments/Eliminations
 
(8
)
 
(154
)
 
(4
)
 
114

 
Consolidated Total
 
$
1,092

 
$
—

 
$
215

 
$
105

 
 
 
 
 
 
 
 
 
 
 
Nine months Ended September 30, 2011
 
 
 
 
 
 
 
 
 
Electric Operations
 
$
1,903

 
$
6

 
$
487

 
n/a

 
Gas Distribution
 
606

 
1

 
75

 
n/a

 
Retail Gas Marketing
 
348

 
—

 
n/a

 
$
14

 
Energy Marketing
 
510

 
146

 
n/a

 
4

 
All Other
 
30

 
308

 
13

 
(5
)
 
Adjustments/Eliminations
 
(23
)
 
(461
)
 
30

 
276

 
Consolidated Total
 
$
3,374

 
$
—

 
$
605

 
$
289

 
 
 
September 30,
 
December 31,
 
 
 
 
 
Segment Assets
 
2012
 
2011
 
 
 
 
 
Electric Operations
 
$
8,750

 
$
8,222

 
 
 
 
 
Gas Distribution
 
2,208

 
2,179

 
 
 
 
 
Retail Gas Marketing
 
121

 
185

 
 
 
 
 
Energy Marketing
 
91

 
114

 
 
 
 
 
All Other
 
1,276

 
1,377

 
 
 
 
 
Adjustments/Eliminations
 
1,518

 
1,457

 
 
 
 
 
Consolidated Total
 
$
13,964

 
$
13,534

 
 
 
 
 
SCE&G
  
Segment Reporting Information [Line Items]  
Schedule of Segment Reporting Information, by Segment [Table Text Block]
allocated to the Electric Operations and Gas Distribution segments.  Intersegment revenues were not significant.

 
 
 
 
Operating
 
Earnings Available
 
 
 
External
 
Income
 
To Common
 
Millions of dollars
 
Revenue
 
(Loss)
 
Shareholder
 
Three Months Ended September 30, 2012
 
 
 
 
 
 
 
Electric Operations
 
$
716

 
$
244

 
n/a

 
Gas Distribution
 
61

 
(3
)
 
n/a

 
Adjustments/Eliminations
 
—

 
—

 
$
129

 
Consolidated Total
 
$
777

 
$
241

 
$
129

 
 
 
 
 
 
 
 
 
Nine Months Ended September 30, 2012
 
 

 
 

 
 

 
Electric Operations
 
$
1,857

 
$
534

 
n/a

 
Gas Distribution
 
244

 
27

 
n/a

 
Adjustments/Eliminations
 
—

 
—

 
$
272

 
Consolidated Total
 
$
2,101

 
$
561

 
$
272

 
 
 
 
 
 
 
 
 
Three Months Ended September 30, 2011
 
 

 
 

 
 

 
Electric Operations
 
$
730

 
$
225

 
n/a

 
Gas Distribution
 
67

 
(5
)
 
n/a

 
Adjustments/Eliminations
 
—

 
—

 
$
117

 
Consolidated Total
 
$
797

 
$
220

 
$
117

 
 
 
 
 
 
 
 
 
Nine Months Ended September 30, 2011
 
 
 
 
 
 
 
Electric Operations
 
$
1,908

 
$
487

 
n/a

 
Gas Distribution
 
285

 
23

 
n/a

 
Adjustments/Eliminations
 
—

 
(1
)
 
$
244

 
Consolidated Total
 
$
2,193

 
$
509

 
$
244

 
 
 
September 30,
 
December 31,
 
 
 
 
 
Segment Assets
 
2012
 
2011
 
 
 
 
 
Electric Operations
 
$
8,750

 
$
8,222

 
 
 
 
 
Gas Distribution
 
648

 
622

 
 
 
 
 
Adjustments/Eliminations
 
2,232

 
2,193

 
 
 
 
 
Consolidated Total
 
$
11,630

 
$
11,037