Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 6	$ 4
Accounts receivable, net	155	158
Unbilled revenues	107	95
Inventories, at average cost:
Materials and supplies	50	44
Fuel	32	39
Regulatory assets--current	36	129
Other current assets	77	88
Total current assets	463	557
Electric utility plant:
Generation	4,597	3,898
Transmission	521	451
Distribution	3,343	3,192
General	501	463
Intangible	572	556
Construction work-in-progress	213	545
Total electric utility plant	9,747	9,105
Accumulated depreciation and amortization	(3,313)	(3,093)
Electric utility plant, net	6,434	6,012
Regulatory assets--noncurrent	498	524
Nuclear decommissioning trust	41	40
Non-qualified benefit plan trust	34	33
Other noncurrent assets	57	44
Total assets	7,527	7,210
Current liabilities:
Accounts payable	129	98
Liabilities from price risk management activities-current	44	130
Short-term debt	0	6
Current portion of long-term debt	150	133
Accrued expenses and other current liabilities	254	259
Total current liabilities	577	626
Long-term debt, net of current portion	2,200	2,060
Regulatory liabilities--noncurrent	958	928
Deferred income taxes	669	632
Unfunded status of pension and postretirement plans	281	259
Liabilities from price risk management activities--noncurrent	125	161
Asset retirement obligations	161	151
Non-qualified benefit plan liabilities	105	106
Other noncurrent liabilities	107	29
Total liabilities	5,183	4,952
Commitments and Contingencies (see notes)
Portland General Electric Company shareholders’ equity:
Preferred stock, no par value, 30,000,000 shares authorized; none issued and outstanding	0	0
Common stock, no par value, 160,000,000 shares authorized; 88,946,704 and 88,792,751 shares issued and outstanding as of December 31, 2016 and 2015, respectively	1,201	1,196
Accumulated other comprehensive loss	(7)	(8)
Retained earnings	1,150	1,070
Total equity	2,344	2,258
Total liabilities and equity	$ 7,527	$ 7,210