Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 5	$ 165
Accounts receivable, net	414	398
Inventories, at average cost:
Materials and supplies	83	63
Fuel	30	32
Regulatory assets--current	221	54
Other current assets	182	498
Total current assets	935	1,210
Electric utility plant:
In service	13,329	12,421
Accumulated depreciation and amortization	(4,757)	(4,423)
In service, net	8,572	7,998
Public Utilities, Property, Plant and Equipment, Net	9,546	8,465
Construction work-in-progress	974	467
Regulatory assets--noncurrent	492	473
Nuclear decommissioning trust	31	39
Non-qualified benefit plan trust	35	38
Other noncurrent assets	169	234
Total assets	11,208	10,459
Current liabilities:
Accounts payable	347	457
Liabilities from price risk management activities-current	164	118
Short-term Debt	146	0
Current portion of long-term debt	80	260
Current portion of long-term debt	20	20
Accrued expenses and other current liabilities	355	641
Total current liabilities	1,112	1,496
Long-term debt, net of current portion	3,905	3,386
Regulatory liabilities--noncurrent	1,398	1,389
Deferred income taxes	488	439
Unfunded status of pension and postretirement plans	172	170
Liabilities from price risk management activities--noncurrent	75	75
Asset retirement obligations	272	257
Non-qualified benefit plan liabilities	79	83
Finance lease obligations, net of current portion	289	294
Other noncurrent liabilities	99	91
Total liabilities	7,889	7,680
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; 89,283,353 and 89,410,612 shares issued and outstanding as of December 31, 2022 and 2021, respectively	1,750	1,249
Accumulated other comprehensive loss	(5)	(4)
Retained earnings	1,574	1,534
Total shareholders' equity	3,319	2,779
Total liabilities and shareholders' equity	$ 11,208	$ 10,459
Preferred Stock, Shares Outstanding	0	0
Preferred Stock, Shares Issued	0	0
Preferred Stock, Shares Authorized	30,000,000	30,000,000
Preferred Stock, No Par Value	$ 0	$ 0
Common Stock, Shares, Outstanding	101,159,609	89,283,353
Common Stock, Shares, Issued	101,159,609	89,283,353
Common Stock, No Par Value	$ 0	$ 0
Common Stock, Shares Authorized	160,000,000	160,000,000