Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 30	$ 119
Accounts receivable, net	167	193
Unbilled revenues	86	96
Inventories, at average cost:
Materials and supplies	56	53
Fuel	40	31
Regulatory assets--current	17	61
Other current assets	104	90
Total current assets	500	643
Electric utility plant:
In service	10,928	10,344
Accumulated depreciation and amortization	(4,095)	(3,803)
In service, net	6,833	6,541
Construction work-in-progress	328	346
Property, Plant and Equipment, Net	7,161	6,887
Regulatory assets--noncurrent	483	401
Nuclear decommissioning trust	46	42
Non-qualified benefit plan trust	38	36
Other noncurrent assets	166	101
Total assets	8,394	8,110
Current liabilities:
Accounts payable	165	168
Liabilities from price risk management activities-current	23	55
Current portion of long-term debt	0	300
Current portion of long-term debt	16	0
Accrued expenses and other current liabilities	315	268
Total current liabilities	519	791
Long-term debt, net of current portion	2,597	2,178
Regulatory liabilities--noncurrent	1,377	1,355
Deferred income taxes	378	369
Unfunded status of pension and postretirement plans	247	307
Liabilities from price risk management activities--noncurrent	108	101
Asset retirement obligations	263	197
Non-qualified benefit plan liabilities	103	103
Finance lease obligations, net of current portion	135	0
Other noncurrent liabilities	76	203
Total liabilities	5,803	5,604
Commitments and Contingencies (see notes)
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; 89,387,124 and 89,267,959 shares issued and outstanding as of December 31, 2019 and 2018, respectively	1,220	1,212
Accumulated other comprehensive loss	(10)	(7)
Retained earnings	1,381	1,301
Total shareholders' equity	2,591	2,506
Total liabilities and shareholders' equity	$ 8,394	$ 8,110