STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Operating activities
Net income	$ 84	$ 59
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	121	114
Deferred income taxes	(17)	(11)
Allowance for equity funds used during construction	(14)	(5)
Provision for bad debts	1	2
Changes in operating assets and liabilities:
Accounts receivable	(19)	(9)
Accrued unbilled revenues	(11)	(25)
Inventories	(18)	(18)
Prepayments and other	61	13
Accounts payable	(45)	0
Net regulatory assets and liabilities	21	(20)
Other current liabilities	(25)	(49)
Pension and other employee benefit obligations	(1)	(2)
Other, net	(19)	(20)
Net cash provided by operating activities	119	29
Investing activities
Utility capital/construction expenditures	(360)	(280)
Investments In Utility Money Pool Arrangement	(25)	0
Repayments from utility money pool arrangement	25	0
Net cash used in investing activities	(360)	(280)
Financing activities
(Repayments of) proceeds from short-term borrowings, net	(165)	64
Borrowings under utility money pool arrangement	325	337
Repayments under utility money pool arrangement	(387)	(320)
Capital contributions from parent	518	210
Dividends paid to parent	(47)	(51)
Net cash provided by financing activities	244	240
Net change in cash, cash equivalents and restricted cash	3	(11)
Cash, cash equivalents and restricted cash at beginning of period	9	14
Cash, cash equivalents and restricted cash at end of period	12	3
Supplemental disclosure of cash flow information:
Cash paid for interest (net of amounts capitalized)	(21)	(25)
Supplemental disclosure of non-cash investing and financing transactions:
Accrued property, plant and equipment additions	255	122
Inventory transfers to property, plant and equipment	19	13
Allowance for equity funds used during construction	$ 14	$ 5