CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Current assets
Cash and cash equivalents	$ 10	$ 11
Accounts receivable, net	68	71
Accrued unbilled revenues	49	69
Other receivables	12	3
Inventories	45	27
Regulatory assets	52	21
Prepaid taxes	20	25
Prepayments and other	7	7
Total current assets	299	234
Property, Plant and Equipment, Net [Abstract]
Property, plant and equipment, net	2,820	2,660
Other assets
Regulatory assets	188	225
Other	5	4
Total other assets	193	229
Total assets	3,312	3,123
Current liabilities
Short-term debt	0	83
Accounts payable	67	69
Accounts payable to affiliates	20	23
Dividends payable to parent	23	26
Regulatory liabilities	17	4
Taxes accrued	13	10
Accrued interest	10	10
Other	21	21
Total current liabilities	171	246
Deferred credits and other liabilities
Deferred income taxes	333	325
Deferred investment tax credits	5	5
Regulatory liabilities	384	372
Customer advances	24	23
Pension and employee benefit obligations	15	16
Other	43	46
Total deferred credits and other liabilities	804	787
Commitments and contingencies
Capitalization
Long-term debt	1,086	987
Common stock — 1,000,000 shares authorized of $100 par value; 933,000 shares outstanding at Sept. 30, 2022 and Dec. 31, 2021, respectively	$ 93	$ 93
Common stock, shares authorized (in shares)	1,000,000	1,000,000
Common stock, par value (in dollars per share)	$ 100	$ 100
Common stock, shares outstanding (in shares)	933,000	933,000
Additional paid in capital	$ 752	$ 642
Retained earnings	406	368
Total common stockholder's equity	1,251	1,103
Total liabilities and equity	3,312	3,123
Investments Receivable in Utility Money Pool Arrangement	$ 36	$ 0