Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Sep. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 92	$ 127
Accounts receivable, net	133	149
Unbilled revenues	72	93
Inventories	94	82
Regulatory assets - current	122	133
Other current assets	92	115
Total current assets	605	699
Electric utility plant, net	5,920	5,679
Regulatory assets - noncurrent	547	494
Nuclear decommissioning trust	40	90
Non-qualified benefit plan trust	33	32
Other noncurrent assets	52	48
Total assets	7,197	7,042
Current liabilities
Accounts payable	96	156
Liabilities from price risk mangement activities - current	115	106
Current portion of long-term debt	0	375
Accrued expenses and other current liabilities	254	236
Total current liabilities	465	873
Long-term debt, net of current portion	2,204	2,126
Regulatory liabilities - noncurrent	939	906
Deferred income taxes	664	625
Unfunded status of pension and postretirement plans	246	237
Liabilities from price risk mangement activities - noncurrent	184	122
Asset retirement obligations	137	116
Non-qualified benefit plan liabilities	105	105
Other noncurrent liabilities	21	21
Total liabilities	$ 4,965	$ 5,131
Commitments and contingencies (see notes)
Equity:
Preferred stock, no par value, 30,000,000 shares authorized; none issued and outstanding as of September 30, 2015 and December 31, 2014	$ 0	$ 0
Common stock, no par value, 160,000,000 shares authorized; 88.772,172 and 78,228,339 shares issued and outstanding as of September 30, 2015 and December 31, 2014, respectively	1,193	918
Accumulated other comprehensive loss	(7)	(7)
Retained earnings	1,046	1,000
Total equity	2,232	1,911
Total liabilities and equity	$ 7,197	$ 7,042