Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Jun. 30, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 11	$ 119
Accounts receivable, net	150	193
Unbilled revenues	72	96
Inventories	101	84
Regulatory assets - current	37	61
Other current assets	69	90
Total current assets	440	643
Electric utility plant, net	6,952	6,887
Regulatory assets - noncurrent	380	401
Nuclear decommissioning trust	46	42
Non-qualified benefit plan trust	37	36
Other noncurrent assets	142	101
Total assets	7,997	8,110
Current liabilities
Accounts payable	119	168
Liabilities from price risk mangement activities - current	40	55
Short-term debt	17	0
Current portion of long-term debt	0	300
Finance Lease, Liability, Current	17	0
Accrued expenses and other current liabilities	247	268
Total current liabilities	440	791
Long-term debt, net of current portion	2,377	2,178
Regulatory liabilities-noncurrent	1,365	1,355
Deferred income taxes	379	369
Unfunded status of pension and postretirement plans	312	307
Liabilities from price risk management activities-noncurrent	76	101
Asset retirement obligations	199	197
Non-qualified benefit plan liabilities	101	103
Finance lease obligations, net of current portion	137	0
Other noncurrent liabilities	69	203
Total liabilities	5,455	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 June 30, 2019 and December 31, 2018	0	0
Common stock, no par value, 160,000,000 shares authorized; 89,371,560 and 89,267,959 shares issued and outstanding as of June 30, 2019 and December 31, 2018, respectively	1,215	1,212
Accumulated other comprehensive loss	(7)	(7)
Retained earnings	1,334	1,301
Total shareholders' equity	2,542	2,506
Total liabilities and shareholders' equity	$ 7,997	$ 8,110