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Condensed Consolidated Balance Sheets (Unaudited) - USD ($)
$ in Millions
Jun. 30, 2017
Dec. 31, 2016
Current assets:    
Cash and cash equivalents $ 33 $ 6
Accounts receivable, net 139 155
Unbilled revenues 68 107
Inventories 82 82
Regulatory assets - current 47 36
Other current assets 43 77
Total current assets 412 463
Electric utility plant, net 6,573 6,434
Regulatory assets - noncurrent 536 498
Nuclear decommissioning trust 41 41
Non-qualified benefit plan trust 36 34
Other noncurrent assets 55 57
Total assets 7,653 7,527
Current liabilities    
Accounts payable 90 129
Liabilities from price risk mangement activities - current 46 44
Current portion of long-term debt 150 150
Accrued expenses and other current liabilities 226 254
Total current liabilities 512 577
Long-term debt, net of current portion 2,200 2,200
Regulatory liabilities-noncurrent 989 958
Deferred income taxes 685 669
Unfunded status of pension and postretirement plans 286 281
Liabilities from price risk management activities-noncurrent 158 125
Asset retirement obligations 165 161
Non-qualified benefit plan liabilities 106 105
Other noncurrent liabilities 160 107
Total liabilities 5,261 5,183
Commitments and contingencies (see notes)
Equity:    
Preferred stock, no par value, 30,000,000 shares authorized; none issued and outstanding as of June 30, 2017 and December 31, 2016 0 0
Common stock, no par value, 160,000,000 shares authorized; 89,062,560 and 88,946,704 shares issued and outstanding as of June 30, 2017 and December 31, 2016, respectively 1,203 1,201
Accumulated other comprehensive loss (7) (7)
Retained earnings 1,196 1,150
Total equity 2,392 2,344
Total liabilities and equity $ 7,653 $ 7,527