CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Operating activities
Net income	$ 43	$ 45
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	46	42
Deferred income taxes	3	(2)
Allowance for equity funds used during construction	3	2
Provision for bad debts	1	2
Changes in operating assets and liabilities:
Accounts receivable	(13)	(16)
Accrued unbilled revenues	9	20
Inventories	3	15
Other current assets	5	13
Accounts payable	(7)	(10)
Net regulatory assets and liabilities	(1)	17
Other current liabilities	5	0
Pension and other employee benefit obligations	(7)	(3)
Other, net	2	1
Net cash provided by operating activities	86	122
Investing activities
Capital/construction expenditures	(121)	(101)
Net cash used in investing activities	(121)	(101)
Financing activities
Repayments of short-term borrowings, net	(60)	(35)
Borrowings under utility money pool arrangement	130	0
Repayments under utility money pool arrangement	(111)	0
Capital contributions from parent	106	36
Dividends paid to parent	(25)	(23)
Net cash provided (used in) by financing activities	40	(22)
Net change in cash, cash equivalents and restricted cash	5	(1)
Cash, cash equivalents and restricted cash at beginning of period	6	2
Cash, cash equivalents and restricted cash at end of period	11	1
Supplemental disclosure of cash flow information:
Cash paid for interest (net of amounts capitalized)	(12)	(13)
Cash paid for income taxes, net	(7)	(4)
Supplemental disclosure of non-cash investing and financing transactions:
Accrued property, plant and equipment additions	33	33
Inventory transfers to property, plant and equipment	2	2
Allowance for equity funds used during construction	$ 3	$ 2