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Operating Revenue (Tables)
 9 Months Ended
Sep. 30, 2013
Regulated and Unregulated Operating Revenue [Abstract]  
Operating Revenue
The Companies’ operating revenue consists of the following:
 
Three Months Ended September 30,
Nine Months Ended September 30,
 
2013
2012
2013
2012
(millions)
 
 
 
 
Dominion
 
 
 
 
Electric sales:
 
 
 
 
Regulated
$
2,023

$
2,046

$
5,471

$
5,495

Nonregulated
704

661

1,907

1,930

Gas sales:
 
 
 
 
Regulated
32

34

213

166

Nonregulated
159

177

712

740

Gas transportation and storage
329

297

1,156

1,007

Other
185

117

476

396

Total operating revenue
$
3,432

$
3,332

$
9,935

$
9,734

Virginia Power
 
 
 
 
Regulated electric sales
$
2,023

$
2,046

$
5,471

$
5,495

Other
36

40

79

101

Total operating revenue
$
2,059

$
2,086

$
5,550

$
5,596