XML 189 R42.htm IDEA: XBRL DOCUMENT v2.4.0.8
Employee Benefit Plans (Tables)
 3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Defined Benefit Plan Disclosure [Line Items]        
Employee Savings Plan Contributions
                      
(in millions)Duke Energy Duke Energy Carolinas Progress Energy Duke Energy Progress Duke Energy Florida Duke Energy Ohio Duke Energy Indiana
For the three months ended June 30,               
2013$ 30 $ 10 $ 10 $ 6 $ 3 $ 1 $ 1
2012  19   9   10   6   3   1   1
                      
  
                      
(in millions)Duke Energy Duke Energy Carolinas Progress Energy Duke Energy Progress Duke Energy Florida Duke Energy Ohio Duke Energy Indiana
For the six months ended June 30,                  
2013$ 71 $ 24 $ 22 $ 12 $ 7 $ 2 $ 3
2012  47   20   22   12   7   2   3
                      
  
Qualified Pension Plans [Member]
        
Defined Benefit Plan Disclosure [Line Items]        
Components of Net Periodic Pension Costs
  Three Months Ended June 30, 2013
(in millions)Duke Energy Duke Energy Carolinas Progress Energy Duke Energy Progress Duke Energy Florida Duke Energy Ohio Duke Energy Indiana
Service cost$ 42 $ 13 $ 15 $ 6 $ 7 $ 1 $ 3
Interest cost on projected benefit obligation  80   20   29   12   14   6   7
Expected return on plan assets  (137)   (37)   (49)   (24)   (22)   (7)   (11)
Amortization of prior service credit  (3)   (1)   (1)   ―   (1)   ―   ―
Amortization of actuarial loss  61   15   25   12   13   3   5
Other  1   ―   ―   ―   ―   ―   ―
Net periodic pension costs(a)(b)$ 44 $ 10 $ 19 $ 6 $ 11 $ 3 $ 4
                      
  Three Months Ended June 30, 2012
(in millions)Duke Energy Duke Energy Carolinas Progress Energy Duke Energy Progress Duke Energy Florida Duke Energy Ohio Duke Energy Indiana
Service cost$ 22 $ 8 $ 16 $ 7 $ 7 $ 1 $ 3
Interest cost on projected benefit obligation  59   22   32   14   15   8   7
Expected return on plan assets  (94)   (37)   (47)   (23)   (20)   (11)   (11)
Amortization of prior service cost  2   1   2   2   ―   ―   ―
Amortization of actuarial loss  25   12   24   10   12   3   4
Other  1   1   ―   ―   ―   ―   ―
Net periodic pension costs(a)(b)$ 15 $ 7 $ 27 $ 10 $ 14 $ 1 $ 3
                      
(a)Duke Energy amounts exclude $3 million and $4 million for the three months ended June 30, 2013 and 2012, respectively, of regulatory asset amortization resulting from purchase accounting adjustments associated with Duke Energy’s merger with Cinergy.
(b)Duke Energy Ohio amounts exclude $1 million for each of the three months ended June 30, 2013 and 2012, respectively, of regulatory asset amortization resulting from purchase accounting adjustments associated with Duke Energy’s merger with Cinergy.
                      
  Six Months Ended June 30, 2013
(in millions)Duke Energy Duke Energy Carolinas Progress Energy Duke Energy Progress Duke Energy Florida Duke Energy Ohio Duke Energy Indiana
Service cost$ 84 $ 25 $ 30 $ 11 $ 15 $ 3 $ 6
Interest cost on projected benefit obligation  160   40   58   25   27   11   14
Expected return on plan assets  (274)   (74)   (99)   (47)   (44)   (15)   (22)
Amortization of prior service credit  (6)   (3)   (2)   ―   (1)   ―   ―
Amortization of actuarial loss  122   30   50   23   25   6   11
Other  3   1   1   ―   ―   ―   ―
Net periodic pension costs(a)(b)$ 89 $ 19 $ 38 $ 12 $ 22 $ 5 $ 9
                      
  Six Months Ended June 30, 2012
(in millions)Duke Energy Duke Energy Carolinas Progress Energy Duke Energy Progress Duke Energy Florida Duke Energy Ohio Duke Energy Indiana
Service cost$ 45 $ 17 $ 31 $ 13 $ 14 $ 3 $ 5
Interest cost on projected benefit obligation  120   45   63   28   28   16   15
Expected return on plan assets  (188)   (73)   (93)   (47)   (40)   (22)   (23)
Amortization of prior service cost  3   1   4   4   ―   ―   1
Amortization of actuarial loss  49   23   46   19   23   5   7
Other  2   1   ―   ―   ―   ―   ―
Net periodic pension costs(a)(b)$ 31 $ 14 $ 51 $ 17 $ 25 $ 2 $ 5
                      
(a)Duke Energy amounts exclude $6 million and $7 million for the six months ended June 30, 2013, and 2012, respectively, of regulatory asset amortization resulting from purchase accounting adjustments associated with Duke Energy’s merger with Cinergy.
(b)Duke Energy Ohio amounts exclude $3 million for each of the six months ended June 30, 2013, and 2012, respectively, of regulatory asset amortization resulting from purchase accounting adjustments associated with Duke Energy’s merger with Cinergy.
                      
Non-Qualified Pension Plans [Member]
        
Defined Benefit Plan Disclosure [Line Items]        
Components of Net Periodic Pension Costs
  Three Months Ended June 30, 2013
(in millions)Duke Energy Duke Energy Carolinas Progress Energy Duke Energy Progress Duke Energy Florida
Service cost$ 1 $ ― $ ― $ ― $ ―
Interest cost on projected benefit obligation  3   1   2   1   1
Amortization of actuarial loss  1   ―   1   ―   ―
Net periodic pension costs$ 5 $ 1 $ 3 $ 1 $ 1
                
  Three Months Ended June 30, 2012
(in millions)Duke Energy Duke Energy Carolinas Progress Energy Duke Energy Progress Duke Energy Florida
Interest cost on projected benefit obligation$ 1 $ 1 $ 2 $ 1 $ 1
Amortization of actuarial loss  1   ―   1   ―   ―
Amortization of prior service cost  1   ―   ―   ―   ―
Net periodic pension costs$ 3 $ 1 $ 3 $ 1 $ 1
                
  Six Months Ended June 30, 2013
(in millions)Duke Energy Duke Energy Carolinas Progress Energy Duke Energy Progress Duke Energy Florida
Service cost$ 1 $ ― $ ― $ ― $ ―
Interest cost on projected benefit obligation  7   1   4   1   1
Amortization of actuarial loss  3   ―   2   ―   ―
Amortization of prior service credit  (1)   ―   (1)   ―   ―
Net periodic pension costs$ 10 $ 1 $ 5 $ 1 $ 1
                
  Six Months Ended June 30, 2012
(in millions)Duke Energy Duke Energy Carolinas Progress Energy Duke Energy Progress Duke Energy Florida
Service cost$ 1 $ ― $ 1 $ ― $ ―
Interest cost on projected benefit obligation  3   1   4   1   1
Amortization of actuarial loss  1   ―   2   ―   ―
Amortization of prior service cost  1   ―   ―   ―   ―
Net periodic pension costs$ 6 $ 1 $ 7 $ 1 $ 1
                
Other Post-Retirement Benefit plans [Member]
        
Defined Benefit Plan Disclosure [Line Items]        
Components of Net Periodic Pension Costs
  Three Months Ended June 30, 2013
(in millions)Duke Energy Duke Energy Carolinas Progress Energy Duke Energy Progress Duke Energy Florida Duke Energy Ohio Duke Energy Indiana
Service cost$ 7 $ ― $ 5 $ 3 $ 2 $ ― $ ―
Interest cost on accumulated post-retirement benefit obligation  18   3   12   6   4   1   2
Expected return on plan assets  (4)   (2)   ―   ―   ―   ―   ―
Amortization of prior service credit  (3)   (2)   (1)   (1)   ―   ―   ―
Amortization of actuarial loss (gain)  13   1   15   9   4   (1)   ―
Net periodic costs(a)$ 31 $ ― $ 31 $ 17 $ 10 $ ― $ 2
                      
  Three Months Ended June 30, 2012
(in millions)Duke Energy Duke Energy Carolinas Progress Energy Duke Energy Progress Duke Energy Florida Duke Energy Ohio Duke Energy Indiana
Service cost$ 1 $ ― $ 4 $ 2 $ 1 $ ― $ ―
Interest cost on accumulated post-retirement benefit obligation  9   4   11   6   4   ―   2
Expected return on plan assets  (4)   (2)   ―   ―   ―   ―   (1)
Amortization of prior service (credit) cost  (2)   (1)   ―   ―   ―   ―   1
Amortization of net transition liability  2   2   1   ―   1   ―   ―
Amortization of actuarial (gain) loss  (1)   ―   9   6   3   ―   (1)
Net periodic costs(a)$ 5 $ 3 $ 25 $ 14 $ 9 $ ― $ 1
                      
(a)Duke Energy amounts exclude $2 million for each of the three months ended June 30, 2013 and 2012, respectively, of regulatory asset amortization resulting from purchase accounting adjustments associated with Duke Energy’s merger with Cinergy.
                      
  Six Months Ended June 30, 2013
(in millions)Duke Energy Duke Energy Carolinas Progress Energy Duke Energy Progress Duke Energy Florida Duke Energy Ohio Duke Energy Indiana
Service cost$ 14 $ 1 $ 11 $ 6 $ 4 $ ― $ ―
Interest cost on accumulated post-retirement benefit obligation  36   6   23   12   8   1   3
Expected return on plan assets  (7)   (5)   ―   ―   ―   ―   ―
Amortization of prior service credit  (6)   (4)   (1)   (1)   ―   ―   ―
Amortization of actuarial loss (gain)  26   2   29   18   8   (1)   ―
Net periodic pension costs(a)(b)$ 63 $ ― $ 62 $ 35 $ 20 $ ― $ 3
                      
  Six Months Ended June 30, 2012
(in millions)Duke Energy Duke Energy Carolinas Progress Energy Duke Energy Progress Duke Energy Florida Duke Energy Ohio Duke Energy Indiana
Service cost$ 3 $ 1 $ 7 $ 4 $ 3 $ ― $ ―
Interest cost on accumulated post-retirement benefit obligation  17   8   21   11   9   1   4
Expected return on plan assets  (8)   (5)   (1)   ―   (1)   ―   (1)
Amortization of prior service (credit) cost  (4)   (2)   ―   ―   ―   ―   1
Amortization of net transition liability  4   3   2   ―   2   ―   ―
Amortization of actuarial (gain) loss  (3)   1   15   8   5   (1)   (1)
Net periodic pension costs(a)(b)$ 9 $ 6 $ 44 $ 23 $ 18 $ ― $ 3
                      
(a)Duke Energy amounts exclude $4 million for each of the six months ended June 30, 2013 and 2012, respectively, of regulatory asset amortization resulting from purchase accounting adjustments associated with Duke Energy’s merger with Cinergy.
(b)Duke Energy Ohio amounts exclude $1 million for each of the six months ended June 30, 2013 and 2012, respectively, of regulatory asset amortization resulting from purchase accounting adjustments associated with Duke Energy’s merger with Cinergy.
                      
Duke Energy Carolinas [Member] | Non-Qualified Pension Plans [Member]
        
Defined Benefit Plan Disclosure [Line Items]        
Components of Net Periodic Pension Costs
  Three Months Ended June 30, 2013
(in millions)Duke Energy Duke Energy Carolinas Progress Energy Duke Energy Progress Duke Energy Florida
Service cost$ 1 $ ― $ ― $ ― $ ―
Interest cost on projected benefit obligation  3   1   2   1   1
Amortization of actuarial loss  1   ―   1   ―   ―
Net periodic pension costs$ 5 $ 1 $ 3 $ 1 $ 1
                
  Three Months Ended June 30, 2012
(in millions)Duke Energy Duke Energy Carolinas Progress Energy Duke Energy Progress Duke Energy Florida
Interest cost on projected benefit obligation$ 1 $ 1 $ 2 $ 1 $ 1
Amortization of actuarial loss  1   ―   1   ―   ―
Amortization of prior service cost  1   ―   ―   ―   ―
Net periodic pension costs$ 3 $ 1 $ 3 $ 1 $ 1
                
  Six Months Ended June 30, 2013
(in millions)Duke Energy Duke Energy Carolinas Progress Energy Duke Energy Progress Duke Energy Florida
Service cost$ 1 $ ― $ ― $ ― $ ―
Interest cost on projected benefit obligation  7   1   4   1   1
Amortization of actuarial loss  3   ―   2   ―   ―
Amortization of prior service credit  (1)   ―   (1)   ―   ―
Net periodic pension costs$ 10 $ 1 $ 5 $ 1 $ 1
                
  Six Months Ended June 30, 2012
(in millions)Duke Energy Duke Energy Carolinas Progress Energy Duke Energy Progress Duke Energy Florida
Service cost$ 1 $ ― $ 1 $ ― $ ―
Interest cost on projected benefit obligation  3   1   4   1   1
Amortization of actuarial loss  1   ―   2   ―   ―
Amortization of prior service cost  1   ―   ―   ―   ―
Net periodic pension costs$ 6 $ 1 $ 7 $ 1 $ 1
                
Progress Energy [Member] | Non-Qualified Pension Plans [Member]
        
Defined Benefit Plan Disclosure [Line Items]        
Components of Net Periodic Pension Costs
  Three Months Ended June 30, 2013
(in millions)Duke Energy Duke Energy Carolinas Progress Energy Duke Energy Progress Duke Energy Florida
Service cost$ 1 $ ― $ ― $ ― $ ―
Interest cost on projected benefit obligation  3   1   2   1   1
Amortization of actuarial loss  1   ―   1   ―   ―
Net periodic pension costs$ 5 $ 1 $ 3 $ 1 $ 1
                
  Three Months Ended June 30, 2012
(in millions)Duke Energy Duke Energy Carolinas Progress Energy Duke Energy Progress Duke Energy Florida
Interest cost on projected benefit obligation$ 1 $ 1 $ 2 $ 1 $ 1
Amortization of actuarial loss  1   ―   1   ―   ―
Amortization of prior service cost  1   ―   ―   ―   ―
Net periodic pension costs$ 3 $ 1 $ 3 $ 1 $ 1
                
  Six Months Ended June 30, 2013
(in millions)Duke Energy Duke Energy Carolinas Progress Energy Duke Energy Progress Duke Energy Florida
Service cost$ 1 $ ― $ ― $ ― $ ―
Interest cost on projected benefit obligation  7   1   4   1   1
Amortization of actuarial loss  3   ―   2   ―   ―
Amortization of prior service credit  (1)   ―   (1)   ―   ―
Net periodic pension costs$ 10 $ 1 $ 5 $ 1 $ 1
                
  Six Months Ended June 30, 2012
(in millions)Duke Energy Duke Energy Carolinas Progress Energy Duke Energy Progress Duke Energy Florida
Service cost$ 1 $ ― $ 1 $ ― $ ―
Interest cost on projected benefit obligation  3   1   4   1   1
Amortization of actuarial loss  1   ―   2   ―   ―
Amortization of prior service cost  1   ―   ―   ―   ―
Net periodic pension costs$ 6 $ 1 $ 7 $ 1 $ 1
                
Duke Energy Progress [Member] | Non-Qualified Pension Plans [Member]
        
Defined Benefit Plan Disclosure [Line Items]        
Components of Net Periodic Pension Costs
  Three Months Ended June 30, 2013
(in millions)Duke Energy Duke Energy Carolinas Progress Energy Duke Energy Progress Duke Energy Florida
Service cost$ 1 $ ― $ ― $ ― $ ―
Interest cost on projected benefit obligation  3   1   2   1   1
Amortization of actuarial loss  1   ―   1   ―   ―
Net periodic pension costs$ 5 $ 1 $ 3 $ 1 $ 1
                
  Three Months Ended June 30, 2012
(in millions)Duke Energy Duke Energy Carolinas Progress Energy Duke Energy Progress Duke Energy Florida
Interest cost on projected benefit obligation$ 1 $ 1 $ 2 $ 1 $ 1
Amortization of actuarial loss  1   ―   1   ―   ―
Amortization of prior service cost  1   ―   ―   ―   ―
Net periodic pension costs$ 3 $ 1 $ 3 $ 1 $ 1
                
  Six Months Ended June 30, 2013
(in millions)Duke Energy Duke Energy Carolinas Progress Energy Duke Energy Progress Duke Energy Florida
Service cost$ 1 $ ― $ ― $ ― $ ―
Interest cost on projected benefit obligation  7   1   4   1   1
Amortization of actuarial loss  3   ―   2   ―   ―
Amortization of prior service credit  (1)   ―   (1)   ―   ―
Net periodic pension costs$ 10 $ 1 $ 5 $ 1 $ 1
                
  Six Months Ended June 30, 2012
(in millions)Duke Energy Duke Energy Carolinas Progress Energy Duke Energy Progress Duke Energy Florida
Service cost$ 1 $ ― $ 1 $ ― $ ―
Interest cost on projected benefit obligation  3   1   4   1   1
Amortization of actuarial loss  1   ―   2   ―   ―
Amortization of prior service cost  1   ―   ―   ―   ―
Net periodic pension costs$ 6 $ 1 $ 7 $ 1 $ 1
                
Duke Energy Florida [Member] | Non-Qualified Pension Plans [Member]
        
Defined Benefit Plan Disclosure [Line Items]        
Components of Net Periodic Pension Costs
  Three Months Ended June 30, 2013
(in millions)Duke Energy Duke Energy Carolinas Progress Energy Duke Energy Progress Duke Energy Florida
Service cost$ 1 $ ― $ ― $ ― $ ―
Interest cost on projected benefit obligation  3   1   2   1   1
Amortization of actuarial loss  1   ―   1   ―   ―
Net periodic pension costs$ 5 $ 1 $ 3 $ 1 $ 1
                
  Three Months Ended June 30, 2012
(in millions)Duke Energy Duke Energy Carolinas Progress Energy Duke Energy Progress Duke Energy Florida
Interest cost on projected benefit obligation$ 1 $ 1 $ 2 $ 1 $ 1
Amortization of actuarial loss  1   ―   1   ―   ―
Amortization of prior service cost  1   ―   ―   ―   ―
Net periodic pension costs$ 3 $ 1 $ 3 $ 1 $ 1
                
  Six Months Ended June 30, 2013
(in millions)Duke Energy Duke Energy Carolinas Progress Energy Duke Energy Progress Duke Energy Florida
Service cost$ 1 $ ― $ ― $ ― $ ―
Interest cost on projected benefit obligation  7   1   4   1   1
Amortization of actuarial loss  3   ―   2   ―   ―
Amortization of prior service credit  (1)   ―   (1)   ―   ―
Net periodic pension costs$ 10 $ 1 $ 5 $ 1 $ 1
                
  Six Months Ended June 30, 2012
(in millions)Duke Energy Duke Energy Carolinas Progress Energy Duke Energy Progress Duke Energy Florida
Service cost$ 1 $ ― $ 1 $ ― $ ―
Interest cost on projected benefit obligation  3   1   4   1   1
Amortization of actuarial loss  1   ―   2   ―   ―
Amortization of prior service cost  1   ―   ―   ―   ―
Net periodic pension costs$ 6 $ 1 $ 7 $ 1 $ 1