CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating activities
Net income	$ 45	$ 47
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	42	39
Deferred income taxes	(2)	(1)
Allowance for equity funds used during construction	2	2
Provision for bad debts	2	2
Changes in operating assets and liabilities:
Accounts receivable	(16)	(17)
Accrued unbilled revenues	20	18
Inventories	15	4
Other current assets	13	5
Accounts payable	(10)	(8)
Net regulatory assets and liabilities	17	4
Other current liabilities	0	15
Pension and other employee benefit obligations	(3)	(1)
Other, net	1	3
Net cash provided by operating activities	122	108
Investing activities
Capital/construction expenditures	(101)	(87)
Net cash used in investing activities	(101)	(87)
Financing activities
Repayments of short-term borrowings, net	(35)	(83)
Borrowings under utility money pool arrangement	0	235
Repayments under utility money pool arrangement	0	(187)
Capital contributions from parent	36	31
Dividends paid to parent	(23)	(27)
Other, net	0	1
Net cash used in financing activities	(22)	(30)
Net change in cash, cash equivalents and restricted cash	(1)	(9)
Cash, cash equivalents and restricted cash at beginning of period	2	11
Cash, cash equivalents and restricted cash at end of period	1	2
Supplemental disclosure of cash flow information:
Cash paid for interest (net of amounts capitalized)	(13)	(10)
Cash paid for income taxes, net	(4)	0
Supplemental disclosure of non-cash investing and financing transactions:
Accrued property, plant and equipment additions	33	17
Inventory transfers to property, plant and equipment	2	1
Allowance for equity funds used during construction	$ 2	$ 2