Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 11	$ 119
Accounts receivable, net	161	193
Unbilled revenues	73	96
Inventories	91	84
Regulatory assets - current	26	61
Other current assets	54	90
Total current assets	416	643
Electric utility plant, net	7,014	6,887
Regulatory assets - noncurrent	483	401
Nuclear decommissioning trust	46	42
Non-qualified benefit plan trust	37	36
Other noncurrent assets	158	101
Total assets	8,154	8,110
Current liabilities
Accounts payable	128	168
Liabilities from price risk mangement activities - current	26	55
Current portion of long-term debt	50	300
Finance Lease, Liability, Current	17	0
Accrued expenses and other current liabilities	293	268
Total current liabilities	514	791
Long-term debt, net of current portion	2,328	2,178
Regulatory liabilities-noncurrent	1,380	1,355
Deferred income taxes	378	369
Unfunded status of pension and postretirement plans	307	307
Liabilities from price risk management activities-noncurrent	100	101
Asset retirement obligations	268	197
Non-qualified benefit plan liabilities	100	103
Finance lease obligations, net of current portion	136	0
Other noncurrent liabilities	79	203
Total liabilities	5,590	5,604
Commitments and contingencies (see notes)
Shareholders' Equity:
Preferred stock, no par value, 30,000,000 shares authorized; none issued and outstanding as of September 30, 2019 and December 31, 2018	0	0
Common stock, no par value, 160,000,000 shares authorized; 89,371,974 and 89,267,959 shares issued and outstanding as of September 30, 2019 and December 31, 2018, respectively	1,217	1,212
Accumulated other comprehensive loss	(7)	(7)
Retained earnings	1,354	1,301
Total shareholders' equity	2,564	2,506
Total liabilities and shareholders' equity	$ 8,154	$ 8,110