Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 4	$ 127
Accounts receivable, net	158	149
Unbilled revenues	95	93
Inventories, at average cost:
Materials and supplies	44	42
Fuel	39	40
Regulatory assets--current	129	133
Other current assets	88	115
Total current assets	557	699
Electric utility plant:
Generation	3,898	3,742
Transmission	451	440
Distribution	3,192	3,075
General	463	426
Intangible	556	478
Construction work-in-progress	545	417
Total electric utility plant	9,105	8,578
Accumulated depreciation and amortization	(3,093)	(2,899)
Electric utility plant, net	6,012	5,679
Regulatory assets--noncurrent	524	494
Nuclear decommissioning trust	40	90
Non-qualified benefit plan trust	33	32
Other noncurrent assets	55	48
Total assets	7,221	7,042
Current liabilities:
Accounts payable	98	156
Liabilities from price risk management activities-current	130	106
Short-term debt	6	0
Current portion of long-term debt	133	375
Accrued expenses and other current liabilities	259	236
Total current liabilities	626	873
Long-term debt, net of current portion	2,071	2,126
Regulatory liabilities--noncurrent	928	906
Deferred income taxes	632	625
Unfunded status of pension and postretirement plans	259	237
Liabilities from price risk management activities--noncurrent	161	122
Asset retirement obligations	151	116
Non-qualified benefit plan liabilities	106	105
Other noncurrent liabilities	29	21
Total liabilities	$ 4,963	$ 5,131
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; 88,792,751 and 78,228,339 shares issued and outstanding as of December 31, 2015 and 2014, respectively	1,196	918
Accumulated other comprehensive loss	(8)	(7)
Retained earnings	1,070	1,000
Total equity	2,258	1,911
Total liabilities and equity	$ 7,221	$ 7,042