XML 107 R46.htm IDEA: XBRL DOCUMENT v3.3.1.900
Investments in Unconsolidated Affiliates (Tables)
 12 Months Ended
Dec. 31, 2015
Equity Method Investments and Joint Ventures [Abstract]  
Investments in Equity Method Unconsolidated Affiliates
The following table presents Duke Energy’s investments in unconsolidated affiliates accounted for under the equity method, as well as the respective equity in earnings, by segment.
  
Years Ended December 31,
  
2015
 
2014
 
2013
 
 
 
Equity in

 
 
 
Equity in

 
Equity in

(in millions)
Investments

 
earnings

 
Investments

 
earnings

 
earnings

Regulated Utilities
$
2

 
$
(4
)
 
$
3

 
$
(3
)
 
$
(1
)
International Energy
39

 
74

 
69

 
120

 
110

Commercial Portfolio
433

 
(3
)
 
258

 
10

 
7

Other
25

 
2

 
28

 
3

 
6

Total
$
499

 
$
69

 
$
358

 
$
130

 
$
122