Consolidated Condensed Balance Sheets (Unaudited) - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Property, plant and equipment
Utility plant, at original costs	$ 14,697	$ 13,818
Accumulated depreciation	(3,979)	(3,712)
Utility plant, net	10,718	10,106
Other property	14	14
Total property, plant and equipment, net	10,732	10,120
Current assets
Cash and cash equivalents	30	10
Receivables, less allowance for credit losses of $9 and $7 at September 30, 2021 and December 31, 2020, respectively	310	219
Due from affiliates	8	11
Inventories, at average cost
Regulatory assets	80	79
Prepayments and other current assets	26	10
Total current assets	594	462
Deferred debits
Regulatory assets	408	406
Other	62	60
Total deferred debits	470	466
Total assets	11,796	11,048
Capitalization
Common stock	4,330	3,890
Accumulated other comprehensive loss	(1)	(1)
Retained earnings	387	327
Total capital	4,716	4,216
Long-term debt	3,136	2,594
Total capitalization	7,852	6,810
Current liabilities
Long-term debt due within one year	250	278
Notes payable	460	775
Accounts payable	308	321
Due to affiliates	37	46
Customer deposits	131	130
Regulatory liabilities	51	67
Accrued interest	40	13
Accrued taxes	84	22
Other	46	57
Total current liabilities	1,407	1,709
Long-term liabilities
Deferred income taxes	843	783
Regulatory liabilities	1,148	1,194
Investment tax credits	229	216
Deferred credits and other liabilities	317	336
Total long-term liabilities	2,537	2,529
Commitments and Contingencies (see Note 8)
Total liabilities and capitalization	11,796	11,048
Fuel [Member]
Inventories, at average cost
Utility inventories	12	26
Materials and Supplies [Member]
Inventories, at average cost
Utility inventories	128	107
Electric [Member]
Property, plant and equipment
Utility plant, at original costs	12,152	11,486
Gas [Member]
Property, plant and equipment
Utility plant, at original costs	$ 2,545	$ 2,332