Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Property, plant and equipment
Utility plant, at original costs	$ 14,433	$ 13,655
Accumulated depreciation	(3,348)	(3,443)
Utility plant, net	11,085	10,212
Other property	18	16
Total property, plant and equipment, net	11,103	10,228
Current assets
Cash and cash equivalents	4	5
Receivables, less allowance for credit losses of $1 and $2 at December 31, 2024 and 2023, respectively	220	286
Inventories, at average cost
Regulatory assets	343	161
Prepayments and other current assets	32	32
Total current assets	848	720
Other assets
Regulatory assets	1,098	827
Deferred charges and other assets	58	56
Total other assets	1,156	883
Total assets	13,107	11,831
Capitalization
Common stock	5,105	4,505
Accumulated other comprehensive loss	(1)	(1)
Retained earnings	218	219
Total capital	5,322	4,723
Long-term debt	3,935	3,933
Total capital	9,257	8,656
Current liabilities
Long-term debt due within one year	0	300
Notes payable	636	209
Accounts payable	666	354
Customer deposits	126	121
Regulatory liabilities	146	94
Accrued interest	31	28
Accrued taxes	12	14
Other	58	43
Total current liabilities	1,693	1,173
Other liabilities
Deferred income taxes	976	880
Regulatory liabilities	758	701
Investment tax credits	224	237
Deferred credits and other liabilities	199	184
Total Other liabilities	2,157	2,002
Commitments and Contingencies (see Note 8)
Total liabilities and capital	13,107	11,831
Related Party [Member]
Current assets
Due from affiliates	13	19
Current liabilities
Due to affiliates	18	10
Fuel [Member]
Inventories, at average cost
Utility inventories	45	36
Materials and Supplies [Member]
Inventories, at average cost
Utility inventories	$ 191	$ 181