Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Property, plant and equipment
Utility plant, at original costs	$ 14,189	$ 13,818
Accumulated depreciation	(3,601)	(3,712)
Utility plant, net	10,588	10,106
Other property	14	14
Total property, plant and equipment, net	10,602	10,120
Current assets
Cash and cash equivalents	18	10
Receivables, less allowance for credit losses of $7 and $7 at December 31, 2021 and 2020, respectively	254	219
Due from affiliates	8	11
Inventories, at average cost
Regulatory assets	136	79
Prepayments and other current assets	22	10
Total current assets	579	462
Deferred debits
Regulatory assets	866	406
Other	149	60
Total deferred debits	1,015	466
Total assets	12,196	11,048
Capitalization
Common stock	4,470	3,890
Accumulated other comprehensive loss	(1)	(1)
Retained earnings	323	327
Total capital	4,792	4,216
Long-term debt	3,136	2,594
Total capital	7,928	6,810
Current liabilities
Long-term debt due within one year	250	278
Notes payable	745	775
Accounts payable	390	321
Due to affiliates	44	46
Customer deposits	132	130
Regulatory liabilities	78	67
Accrued interest	18	13
Accrued taxes	19	22
Other	51	57
Total current liabilities	1,727	1,709
Long-term liabilities
Deferred income taxes	858	783
Regulatory liabilities	1,092	1,194
Investment tax credits	249	216
Deferred credits and other liabilities	342	336
Total deferred credits	2,541	2,529
Commitments and Contingencies (see Note 8)
Total liabilities and capital	12,196	11,048
Fuel [Member]
Inventories, at average cost
Utility inventories	20	26
Materials and Supplies [Member]
Inventories, at average cost
Utility inventories	121	107
Electric [Member]
Property, plant and equipment
Utility plant, at original costs	11,563	11,486
Gas [Member]
Property, plant and equipment
Utility plant, at original costs	$ 2,626	$ 2,332