v2.4.0.8
Condensed Consolidated Balance Sheets (Parenthetical) (USD $)
In Millions, except Share data, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Receivables, allowance for doubtful accounts $ 16 $ 30
Restricted receivables, allowance for doubtful accounts 52 43
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 2,000,000,000 2,000,000,000
Common stock, shares outstanding 707,000,000 706,000,000
Duke Energy Carolinas [Member]
    
Receivables, allowance for doubtful accounts 3 3
Restricted receivables, allowance for doubtful accounts 6 6
Progress Energy [Member]
    
Receivables, allowance for doubtful accounts 7 14
Restricted receivables, allowance for doubtful accounts 8  
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 100 100
Common stock, shares outstanding 100 100
Duke Energy Progress [Member]
    
Receivables, allowance for doubtful accounts 6 10
Restricted receivables, allowance for doubtful accounts 5  
Common stock, par value $ 0 $ 0
Common stock, shares authorized 200,000,000 200,000,000
Common stock, shares outstanding 160,000,000 160,000,000
Duke Energy Florida [Member]
    
Receivables, allowance for doubtful accounts 2 4
Restricted receivables, allowance for doubtful accounts 3  
Common stock, par value $ 0 $ 0
Common stock, shares authorized 60,000,000 60,000,000
Common stock, shares outstanding 100 100
Duke Energy Ohio [Member]
    
Receivables, allowance for doubtful accounts 1 2
Common stock, par value $ 8.50 $ 8.50
Common stock, shares authorized 120,000,000 120,000,000
Common stock, shares outstanding 89,663,086 89,663,086
Duke Energy Indiana [Member]
    
Receivables, allowance for doubtful accounts $ 1 $ 1
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 60,000,000 60,000,000
Common stock, shares outstanding 53,913,701 53,913,701