CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Operating activities
Net income	$ 102	$ 102
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	128	118
Deferred income taxes	(17)	0
Allowance for equity funds used during construction	7	5
Provision for bad debts	3	2
Changes in operating assets and liabilities:
Accounts receivable	1	(1)
Accrued unbilled revenues	23	19
Inventories	4	(21)
Other current assets	28	(2)
Accounts payable	12	2
Net regulatory assets and liabilities	61	5
Other current liabilities	3	6
Pension and other employee benefit obligations	(2)	(3)
Other, net	4	(3)
Net cash provided by operating activities	343	219
Investing activities
Capital/construction expenditures	(343)	(244)
Investments in utility money pool arrangement	(88)	(36)
Repayments from utility money pool arrangement	88	0
Net cash used in investing activities	(343)	(280)
Financing activities
Repayments of short-term borrowings, net	(47)	(83)
Borrowings under utility money pool arrangement	73	575
Repayments under utility money pool arrangement	(73)	(575)
Proceeds from long-term debt	124	99
Capital contributions from parent	57	111
Dividends paid to parent	(72)	(67)
Net cash provided by financing activities	62	60
Net change in cash, cash equivalents and restricted cash	62	(1)
Cash, cash equivalents and restricted cash at beginning of period	2	11
Cash, cash equivalents and restricted cash at end of period	64	10
Supplemental disclosure of cash flow information:
Cash paid for interest (net of amounts capitalized)	(34)	(30)
Cash paid for income taxes, net	(30)	(26)
Supplemental disclosure of non-cash investing and financing transactions:
Accrued property, plant and equipment additions	31	30
Inventory transfers to property, plant and equipment	5	2
Allowance for equity funds used during construction	$ 7	$ 5