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Organization and Summary of Significant Accounting Policies (Tables)
6 Months Ended
Jun. 30, 2011
Disclosure Organization And Summary Of Significant Accounting Policies Tables  
Schedule of excise taxes [Tables]
 Three months ended June 30 Six months ended June 30
(in millions)2011 2010 2011 2010
Progress Energy$76 $81 $149 $164
PEC 25  27  53  57
PEF 51  54  96  107
            
Schedule of consolidated variable interest entity [Tables]
(in millions)June 30, 2011 December 31, 2010
Miscellaneous other property and investments$ 12 $ 12
Other assets and deferred debits  1   1
Accounts payable  -   5