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Preferred Stock - PacifiCorp (Details) - PacifiCorp [Member]
shares in Thousands
12 Months Ended
Dec. 31, 2019
Payments
$ / shares
shares
Dec. 31, 2018
$ / shares
shares
Class of Stock [Line Items]    
Number Of Full Quarterly Dividend Payments In Default Before Preferred Stockholders Elect Board Of Directors | Payments 4  
Preferred Stock Class, 5 Percent Preferred [Member]    
Class of Stock [Line Items]    
Preferred Stock, Shares Authorized 127 127
Preferred Stock, Shares Issued 0 0
Preferred Stock, Shares Outstanding 0 0
Preferred Stock, Dividend Rate, Percentage 5.00% 5.00%
Preferred Stock Class, Serial Preferred [Member]    
Class of Stock [Line Items]    
Preferred Stock, Shares Authorized 3,500 3,500
Preferred Stock, Par or Stated Value Per Share | $ / shares $ 100 $ 100
Preferred Stock, Shares Issued 24 24
Preferred Stock, Shares Outstanding 24 24
Preferred Stock Class, No Par Serial Preferred [Member]    
Class of Stock [Line Items]    
Preferred Stock, Shares Authorized 16,000 16,000
Shares Issued for Certain Class of Preferred Stock 0 0
Shares Outstanding for Certain Class of Preferred Stock 0 0
Minimum [Member] | Preferred Stock Class, Serial Preferred [Member]    
Class of Stock [Line Items]    
Preferred Stock, Dividend Rate, Percentage 6.00%  
Maximum [Member] | Preferred Stock Class, Serial Preferred [Member]    
Class of Stock [Line Items]    
Preferred Stock, Dividend Rate, Percentage 7.00%