Consolidated Statements of Income (USD $) In Millions, except Share data in Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Revenues, net	$ 1,810	$ 1,805	$ 1,813
Operating expenses:
Purchased power and fuel	757	726	760
Production and distribution	225	211	201
Cascade Crossing transmission project	52	0	0
Administrative and other	219	216	218
Depreciation and amortization	248	248	227
Taxes other than income taxes	103	102	98
Total operating expenses	1,604	1,503	1,504
Income from operations	206	302	309
Interest expense, net	101	108	110
Other income:
Allowance for equity funds used during construction	13	6	5
Miscellaneous income, net	7	4	1
Other income, net	20	10	6
Income before income taxes	125	204	205
Income tax expense	21	64	58
Net income	104	140	147
Less: net loss attributable to noncontrolling interest	(1)	(1)	0
Net income attributable to Portland General Electric Company	$ 105	$ 141	$ 147
Weighted-average shares outstanding (in thousands):
Basic	76,821	75,498	75,333
Diluted	77,388	75,647	75,350
Earnings per share:
Basic	$ 1.36	$ 1.87	$ 1.95
Diluted	$ 1.35	$ 1.87	$ 1.95