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Consolidated Statements of Comprehensive Income (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009
Net income (loss) | $ 147 | $ 121 | $ 89
Other comprehensive income - Change in compensation retirement benefits liability and amortization, net of taxes of $1 in 2011 and 2010 | (1) | 1 | (1)
Comprehensive income | 146 | 122 | 88
Less: comprehensive loss attributable to the noncontrolling interests | 0 | (4) | (6)
Comprehensive income attributable to Portland General Electric Company | $ 146 | $ 126 | $ 94

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