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Comprehensive Income (Tables)
6 Months Ended
Jun. 30, 2011
Comprehensive Income [Abstract]  
Schedule of Comprehensive Income (Loss) [Table Text Block]
Comprehensive income is as follows (in millions):
 
Three Months Ended

June 30,
 
Six Months Ended

June 30,
 
2011
 
2010
 
2011
 
2010
Net income
$
22


 
$
24


 
$
91


 
$
51


Other comprehensive income - Change in compensation retirement benefits liability and amortization, net of taxes


 


 


 
1


Comprehensive income and Comprehensive income attributable to Portland General Electric Company
$
22


 
$
24


 
$
91


 
$
52