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Segment Information - Goodwill (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Goodwill [Roll Forward]    
Beginning balance $ 9,076 $ 9,343
Acquisitions 50 77
Foreign currency translation (86) (318)
Other (30) (26)
Ending balance 9,010 9,076
PacifiCorp [Member]    
Goodwill [Roll Forward]    
Beginning balance 1,129 1,129
Acquisitions 0 0
Foreign currency translation 0 0
Other 0 0
Ending balance 1,129 1,129
MidAmerican Funding [Member]    
Goodwill [Roll Forward]    
Beginning balance 2,102 2,102
Acquisitions 0 0
Foreign currency translation 0 0
Other 0 0
Ending balance 2,102 2,102
NV Energy [Member]    
Goodwill [Roll Forward]    
Beginning balance 2,369 2,369
Acquisitions 0 0
Foreign currency translation 0 0
Other 0 0
Ending balance 2,369 2,369
Northern Powergrid Holdings [Member]    
Goodwill [Roll Forward]    
Beginning balance 1,056 1,100
Acquisitions 0 0
Foreign currency translation (126) (44)
Other 0 0
Ending balance 930 1,056
BHE Pipeline Group [Member]    
Goodwill [Roll Forward]    
Beginning balance 101 127
Acquisitions 0 0
Foreign currency translation 0 0
Other (26) (26)
Ending balance 75 101
BHE Transmission [Member]    
Goodwill [Roll Forward]    
Beginning balance 1,428 1,657
Acquisitions 4 44
Foreign currency translation 42 (273)
Other (4) 0
Ending balance 1,470 1,428
BHE Renewables [Member]    
Goodwill [Roll Forward]    
Beginning balance 95 95
Acquisitions 0 0
Foreign currency translation 0 0
Other 0 0
Ending balance 95 95
HomeServices [Member]    
Goodwill [Roll Forward]    
Beginning balance 794 761
Acquisitions 46 33
Foreign currency translation 0 0
Other 0 0
Ending balance 840 794
Other [Member]    
Goodwill [Roll Forward]    
Beginning balance 2 3
Acquisitions 0 0
Foreign currency translation (2) (1)
Other 0 0
Ending balance $ 0 $ 2