Variable interest entities (Policies)	3 Months Ended
Mar. 31, 2014
Variable interest Entities [Abstract]
Consolidation, Variable Interest Entity, Policy [Policy Text Block]	PGE has determined that it is the primary beneficiary of two variable interest entities (VIEs) and, therefore, consolidates the VIEs within the Company’s condensed consolidated financial statements

- Definition

Disclosure of accounting policy for consolidation to describe the significant judgments and assumptions made in determining whether a variable interest held by the entity requires the variable interest entity to be consolidated and (or) disclose information about its involvement with the variable interest entity; the methodology used by the entity for determining whether or not it is the primary beneficiary of the variable interest entity; and the significant factors considered and judgments made in determining that the power to direct the activities that significantly impact the economic performance of the variable interest entity are shared (as defined).

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