Condensed Consolidated Statements of Income (Unaudited) (USD $) In Millions, except Share data in Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Revenues, net	$ 439	$ 464	$ 1,334	$ 1,328
Operating expenses:
Purchased power and fuel	182	203	545	613
Production and distribution	50	42	147	127
Administrative and other	55	47	158	140
Depreciation and amortization	59	59	170	173
Taxes other than income taxes	25	23	74	67
Total operating expenses	371	374	1,094	1,120
Income from operations	68	90	240	208
Other income (expense):
Allowance for equity funds used during construction	1	4	3	12
Miscellaneous income (expense), net	(4)	3	(1)	1
Other income, net	(3)	7	2	13
Interest expense	27	27	82	82
Income before income taxes	38	70	160	139
Income taxes	11	22	42	40
Net income	27	48	118	99
Less: net loss attributable to noncontrolling interests	0	(1)	0	(1)
Net income attributable to Portland General Electric Company	$ 27	$ 49	$ 118	$ 100
Weighted-average shares outstanding (in thousands):
Basic	75,342	75,295	75,329	75,267
Diluted	75,358	75,311	75,345	75,282
Earnings per share:
Basic	$ 0.36	$ 0.65	$ 1.57	$ 1.32
Diluted	$ 0.36	$ 0.65	$ 1.57	$ 1.32
Dividends declared per common share	$ 0.265	$ 0.26	$ 0.79	$ 0.775