Consolidated Condensed Balance Sheets (Unaudited) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Property, plant and equipment
Utility plant, at original costs	$ 13,270	$ 15,474
Accumulated depreciation	(3,367)	(3,845)
Utility plant, net	9,903	11,629
Other property	16	15
Total property, plant and equipment, net	9,919	11,644
Current assets
Cash and cash equivalents	8	14
Receivables, less allowance for credit losses of $2 and $4 at September 30, 2023 and December 31, 2022, respectively	372	295
Inventories, at average cost
Regulatory assets	227	361
Prepayments and other current assets	38	35
Total current assets	1,777	909
Other assets
Regulatory assets	889	1,191
Other	53	59
Total other assets	942	1,250
Total assets	12,638	13,803
Capitalization
Common stock	4,505	5,075
Accumulated other comprehensive loss	(1)	(1)
Retained earnings	304	346
Total capital	4,808	5,420
Long-term debt	3,435	3,734
Total capitalization	8,243	9,154
Current liabilities
Long-term debt due within one year	300	0
Notes payable	1,158	1,019
Accounts payable	321	472
Customer deposits	118	145
Regulatory liabilities	86	85
Accrued interest	47	30
Accrued taxes	77	15
Other	40	45
Total current liabilities	2,361	2,037
Long-term liabilities
Deferred income taxes	880	1,045
Regulatory liabilities	727	1,055
Investment tax credits	238	243
Deferred credits and other liabilities	189	269
Total long-term liabilities	2,034	2,612
Commitments and Contingencies (see Note 8)
Total liabilities and capitalization	12,638	13,803
Related Party [Member]
Current assets
Due from affiliates	908	22
Current liabilities
Due to affiliates	214	226
Fuel [Member]
Inventories, at average cost
Utility inventories	48	23
Materials and Supplies [Member]
Inventories, at average cost
Utility inventories	176	159
Electric [Member]
Property, plant and equipment
Utility plant, at original costs	13,270	12,536
Gas [Member]
Property, plant and equipment
Utility plant, at original costs	$ 0	$ 2,938