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Debt And Credit Facilities (Tables)
 3 Months Ended
Mar. 31, 2012
Debt And Credit Facilities [Abstract]  
Schedule Of Line Of Credit Facilities
   Duke Energy
(Parent)		     Duke Energy
Carolinas		     Duke Energy
Ohio		     Duke Energy
Indiana		     Total
Duke Energy		  

Facility Size(c)

   $ 1,250      $ 1,250      $ 750      $ 750      $ 4,000   

Less:

           

Notes Payable and Commercial Paper(d)

     (55 )      (300 )      —          (150 )      (505 ) 

Outstanding Letters of Credit

      (39 )      (7 )      —          —          (46 ) 

Tax-Exempt Bonds

      —          (95 )      (84 )      (81 )      (260 ) 
  

 

 

    

 

 

    

 

 

    

 

 

    

 

 

  

Available Capacity

    $ 1,156      $ 848      $ 666      $ 519      $ 3,189   
  

 

 

    

 

 

    

 

 

    

 

 

    

 

 

  

 

(a) This summary only includes Duke Energy's master credit facility and, accordingly, excludes certain demand facilities and committed facilities that are immaterial in size or which generally support very specific requirements, which primarily include facilities that backstop various outstanding tax-exempt bonds. These facilities that backstop various outstanding tax-exempt bonds generally have non-cancelable terms in excess of one year from the balance sheet date, such that the Duke Energy Registrants have the ability to refinance such borrowings on a long-term basis. Accordingly, such borrowings are reflected as Long-term Debt on the Condensed Consolidated Balance Sheets of the respective Duke Energy Registrant.
(b) Credit facility contains a covenant requiring the debt-to-total capitalization ratio to not exceed 65% for each borrower.
(c) Represents the sub limit of each borrower at March 31, 2012. The Duke Energy Ohio sub limit includes $100 million for Duke Energy Kentucky.
(d) Duke Energy issued $450 million of Commercial Paper and loaned the proceeds through the money pool to Duke Energy Carolinas and Duke Energy Indiana (see money pool table above). The balances are classified as long-term borrowings within Long-term Debt in Duke Energy Carolinas' and Duke Energy Indiana's Condensed Consolidated Balance Sheets. Duke Energy holds an additional $55 million of Commercial Paper as of March 31, 2012. The balance is classified as Notes payable and commercial paper on Duke Energy's Condensed Consolidated Balance Sheets.