v3.3.0.814
Condensed Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Millions
Sep. 30, 2015
Dec. 31, 2014
Receivables, allowance for doubtful accounts $ 17 $ 17
Restricted receivables, allowance for doubtful accounts $ 54 $ 51
Common stock, par or stated value $ 0.001 $ 0.001
Common stock, shares authorized 2,000,000,000 2,000,000,000
Common stock, shares outstanding 688,000,000 707,000,000
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 6 8
Restricted receivables, allowance for doubtful accounts $ 9 $ 8
Common stock, par or stated 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 $ 4 $ 7
Restricted receivables, allowance for doubtful accounts 6 $ 5
Common stock, shares authorized   200,000,000
Common stock, shares outstanding   160,000,000
Duke Energy Florida [Member]    
Receivables, allowance for doubtful accounts 2 $ 2
Restricted receivables, allowance for doubtful accounts 3 $ 3
Common stock, shares authorized   60,000,000
Common stock, shares outstanding   100
Duke Energy Ohio [Member]    
Receivables, allowance for doubtful accounts $ 3 $ 2
Common stock, par or stated 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 $ 2 $ 1
Common stock, par or stated 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