XML 86 R71.htm IDEA: XBRL DOCUMENT v3.5.0.2
Segment Information (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Dec. 31, 2015
Segment Financial Information          
Revenues $ 3,917 $ 4,123 $ 11,187 $ 11,485  
Revenues [1] 3,917 4,123 11,187 11,485  
Depreciation 311 328 974 969  
Amortization of regulatory assets, net 98 110 222 201  
Impairment of assets 0 8 1,447 24  
Investment income (loss) 28 (28) 75 (14)  
Interest expense 286 285 863 846  
Income taxes (benefits) 251 226 334 485  
NET INCOME (LOSS) 380 395 (381) 804  
Total assets 51,961 51,930 51,961 51,930 $ 52,094
Goodwill 5,618 6,418 5,618 6,418 6,418
Property additions 664 539 2,156 2,025  
Regulated Distribution          
Segment Financial Information          
Goodwill 5,092   5,092   5,092
Competitive Energy Services          
Segment Financial Information          
Goodwill 0   0   $ 800
Operating Segments | Regulated Distribution          
Segment Financial Information          
Revenues 2,702 2,624 7,423 7,425  
Revenues 2,702 2,624 7,423 7,425  
Depreciation 171 174 510 516  
Amortization of regulatory assets, net 98 110 218 196  
Impairment of assets   8 0 8  
Investment income (loss) 13 8 37 33  
Interest expense 139 149 431 439  
Income taxes (benefits) 167 137 349 350  
NET INCOME (LOSS) 283 234 594 598  
Total assets 28,276 27,883 28,276 27,883  
Goodwill 5,092 5,092 5,092 5,092  
Property additions 303 292 878 884  
Operating Segments | Regulated Transmission          
Segment Financial Information          
Revenues 285 248 824 755  
Revenues 285 248 824 755  
Depreciation 45 41 132 116  
Amortization of regulatory assets, net 0 0 4 5  
Impairment of assets   0 0 0  
Investment income (loss) 0 0 0 0  
Interest expense 43 40 128 119  
Income taxes (benefits) 45 41 130 135  
NET INCOME (LOSS) 78 70 223 231  
Total assets 8,034 6,988 8,034 6,988  
Goodwill 526 526 526 526  
Property additions 246 149 755 700  
Operating Segments | Competitive Energy Services          
Segment Financial Information          
Revenues 998 1,327 3,158 3,536  
Revenues 1,115 1,468 3,535 4,099  
Depreciation 79 98 284 293  
Amortization of regulatory assets, net 0 0 0 0  
Impairment of assets   0 1,447 16  
Investment income (loss) 23 (19) 56 (7)  
Interest expense 48 48 143 144  
Income taxes (benefits) 49 84 (96) 76  
NET INCOME (LOSS) 86 145 (1,029) 129  
Total assets 15,165 16,229 15,165 16,229  
Goodwill 0 800 0 800  
Property additions 110 83 492 400  
Corporate/Other          
Segment Financial Information          
Revenues 0 0 0 0  
Revenues 0 0 0 0  
Depreciation 16 15 48 44  
Amortization of regulatory assets, net 0 0 0 0  
Impairment of assets   0 0 0  
Investment income (loss) 2 (6) 13 (9)  
Interest expense 56 48 161 144  
Income taxes (benefits) (11) (39) (51) (84)  
NET INCOME (LOSS) (67) (54) (169) (154)  
Total assets 486 830 486 830  
Goodwill 0 0 0 0  
Property additions 5 15 31 41  
Intersegment Eliminations          
Segment Financial Information          
Revenues (117) (141) (377) (563)  
Intersegment Eliminations | Competitive Energy Services          
Segment Financial Information          
Revenues 117 141 377 563  
Reconciling Adjustments          
Segment Financial Information          
Revenues (68) (76) (218) (231)  
Revenues (185) (217) (595) (794)  
Depreciation 0 0 0 0  
Amortization of regulatory assets, net 0 0 0 0  
Impairment of assets   0 0 0  
Investment income (loss) (10) (11) (31) (31)  
Interest expense 0 0 0 0  
Income taxes (benefits) 1 3 2 8  
NET INCOME (LOSS) 0 0 0 0  
Total assets 0 0 0 0  
Goodwill 0 0 0 0  
Property additions $ 0 $ 0 $ 0 $ 0  
[1] Includes excise tax collections of $111 million and $109 million in the three months ended September 30, 2016 and 2015, respectively, and $310 million and $320 million in the nine months ended September 30, 2016 and 2015, respectively.