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Property, Plant and Equipment, Net (Notes)
6 Months Ended
Jun. 30, 2014
Property, Plant and Equipment, Net [Abstract]  
Property, Plant and Equipment, Net
Property, Plant and Equipment, Net

Property, plant and equipment, net consists of the following (in millions):
 
As of
 
June 30,
 
December 31,
 
2014
 
2013
Utility plant in-service:
 
 
 
Generation
$
3,823

 
$
3,789

Distribution
2,982

 
2,936

Transmission
1,769

 
1,743

General and intangible plant
684

 
645

Utility plant in-service
9,258

 
9,113

Accumulated depreciation and amortization
(2,329
)
 
(2,217
)
Utility plant in-service, net
6,929

 
6,896

Other non-regulated, net of accumulated depreciation and amortization
4

 
3

 
6,933

 
6,899

Construction work-in-progress
33

 
93

Property, plant and equipment, net
$
6,966

 
$
6,992