Consolidated Condensed Balance Sheets (Unaudited) - USD ($) $ in Millions	Jun. 30, 2021	Dec. 31, 2020
Property, plant and equipment
Utility plant, at original costs	$ 14,346	$ 13,818
Accumulated depreciation	(3,897)	(3,712)
Utility plant, net	10,449	10,106
Other property	14	14
Total property, plant and equipment, net	10,463	10,120
Current assets
Cash and cash equivalents	24	10
Receivables, less allowance for credit losses of $8 and $7 at June 30, 2021 and December 31, 2020, respectively	265	219
Due from affiliates	10	11
Inventories, at average cost
Regulatory assets	68	79
Prepayments and other current assets	22	10
Total current assets	524	462
Deferred debits
Regulatory assets	413	406
Other	59	60
Total deferred debits	472	466
Total assets	11,459	11,048
Capitalization
Common stock	4,180	3,890
Accumulated other comprehensive loss	(1)	(1)
Retained earnings	359	327
Total capital	4,538	4,216
Long-term debt	3,385	2,594
Total capitalization	7,923	6,810
Current liabilities
Long-term debt due within one year	0	278
Notes payable	410	775
Accounts payable	264	321
Due to affiliates	22	46
Customer deposits	130	130
Regulatory liabilities	57	67
Accrued interest	20	13
Accrued taxes	63	22
Other	43	57
Total current liabilities	1,009	1,709
Long-term liabilities
Deferred income taxes	815	783
Regulatory liabilities	1,156	1,194
Investment tax credits	233	216
Deferred credits and other liabilities	323	336
Total long-term liabilities	2,527	2,529
Commitments and Contingencies (see Note 8)
Total liabilities and capitalization	11,459	11,048
Fuel [Member]
Inventories, at average cost
Utility inventories	21	26
Materials and Supplies [Member]
Inventories, at average cost
Utility inventories	114	107
Electric [Member]
Property, plant and equipment
Utility plant, at original costs	11,876	11,486
Gas [Member]
Property, plant and equipment
Utility plant, at original costs	$ 2,470	$ 2,332