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Business Acquisitions (Tables)
 12 Months Ended
Dec. 31, 2016
AltaLink [Member]  
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]  
Schedule of Business Acquisitions, by Acquisition [Table Text Block]

Business Acquisition, Pro Forma Information [Table Text Block]
The following unaudited pro forma financial information reflects the consolidated results of operations of BHE, non-recurring transaction costs incurred by both BHE and AltaLink during 2014 and the amortization of the purchase price adjustments each assuming the acquisition had taken place on January 1, 2013 (in millions):
 
 
 
2014
 
 
 
 
Operating revenue
 
 
17,888

 
 
 
 
Net income attributable to BHE shareholders
 
 
2,155
NV Energy, Inc. [Member]  
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]  
Business Acquisition, Pro Forma Information [Table Text Block]