STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Operating activities
Net Income (Loss) Attributable to Parent	$ 394	$ 384	$ 349
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	458	373	391
Deferred income taxes	123	(133)	17
Allowance for equity funds used during construction	(17)	(7)	(3)
Provision for bad debts	6	11	9
Changes in operating assets and liabilities:
Accounts receivable	82	(67)	(67)
Increase (Decrease) in Accrued Unbilled Revenues	10	1	(16)
Inventories	(59)	(51)	(19)
Prepayments and other	(35)	39	(50)
Accounts payable	29	(37)	22
Net regulatory assets and liabilities	(26)	307	(5)
Other current liabilities	(63)	5	52
Pension and other employee benefit obligations	0	3	1
Other, net	(16)	(18)	(5)
Net cash provided by operating activities	886	810	676
Investing activities
Utility capital/construction expenditures	(1,015)	(714)	(578)
Investments in utility money pool arrangement	0	0	(176)
Receipts from utility money pool arrangement	0	0	176
Net cash used in investing activities	(1,015)	(714)	(578)
Financing activities
Proceeds from (repayments of) short-term borrowings, net	70	41	(103)
Proceeds from issuance of long-term debt	588	98	196
Repayments of Long-Term Debt	(350)	0	0
Borrowings under utility money pool arrangement	520	371	336
Repayments under utility money pool arrangement	(540)	(344)	(427)
Capital contributions from parent	279	48	220
Dividends paid to parent	(427)	(309)	(319)
Net cash provided by financing activities	140	(95)	(97)
Net change in cash and cash equivalents	11	1	1
Cash and cash equivalents at beginning of period	3	2	1
Cash and cash equivalents at end of period	14	3	2
Supplemental disclosure of cash flow information:
Cash paid for interest (net of amounts capitalized)	(144)	(127)	(137)
Cash paid for income taxes, net	159	(80)	81
Supplemental disclosure of non-cash investing transactions:
Accrued property, plant and equipment additions	99	56	86
Inventory transfers to plant, property and equipment	56	43	10
Allowance for Funds Used During Construction, Investing Activities	$ 17	$ 7	$ 3