Consolidated Statements of Income - USD ($) shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Revenues, net	$ 1,923	$ 1,898	$ 1,900
Operating expenses:
Purchased power and fuel	617	661	713
Generation, transmission and distribution	286	266	257
Administrative and other	247	241	227
Depreciation and amortization	321	305	301
Taxes other than income taxes	119	116	109
Total operating expenses	1,590	1,589	1,607
Income from operations	333	309	293
Interest expense, net	112	114	96
Other income:
Allowance for equity funds used during construction	21	21	37
Miscellaneous income, net	1	1	1
Other income, net	22	22	38
Income before income taxes	243	217	235
Income tax expense	50	45	61
Net income	193	172	174
Less: net loss attributable to noncontrolling interest	0	0	(1)
Net income attributable to Portland General Electric Company	$ 193	$ 172	$ 175
Weighted-average shares outstanding (in thousands):
Basic	88,896	84,180	78,180
Diluted	89,054	84,341	80,494
Earnings per share:
Basic	$ 2.17	$ 2.05	$ 2.24
Diluted	$ 2.16	$ 2.04	$ 2.18