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Components of Accumulated Other Comprehensive Loss, Net
12 Months Ended
Dec. 31, 2011
Components of Accumulated Other Comprehensive (Loss) Income, Net [Abstract]  
Comprehensive Income (Loss) Note [Text Block]
(16)    Components of Accumulated Other Comprehensive Loss, Net

Accumulated other comprehensive loss attributable to PacifiCorp, net consists of unrecognized amounts on retirement benefits of $9 million, net of tax of $5 million, and $7 million, net of tax of $4 million, as of December 31, 2011 and 2010, respectively.