Condensed Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash flows from operating activities
Net income	$ 63	$ 79
Adjustments to reconcile net income to cash from operating activities:
Depreciation and amortization	112	104
Deferred income taxes and investment tax credits	6	14
Allowance for equity funds used during construction	(5)	(3)
Deferred recovery clauses	42	50
Regulatory assets and liabilities	19	11
Pension and post-retirement asset and liabilities	(3)	(5)
Other	(4)	6
Changes in working capital:
Receivables, less allowance for credit losses	46	(2)
Inventories	(3)	(10)
Taxes accrued	20	19
Interest accrued	21	8
Accounts payable	(112)	(125)
Other	3	5
Cash flows from operating activities	205	151
Cash flows used in investing activities
Capital expenditures	(268)	(254)
Net proceeds from sale of assets	3	0
Cash flows used in investing activities	(265)	(254)
Cash flows from financing activities
Equity contributions from Parent	300	100
Proceeds from long-term debt issuance	496	0
Net increase (decrease) in short-term debt (maturities of 90 days or less)	(650)	164
Advances to affiliate	0	(76)
Dividends to Parent	(85)	(91)
Cash flows from financing activities	61	97
Net increase (decrease) in cash and cash equivalents	1	(6)
Cash and cash equivalents at beginning of period	5	10
Cash and cash equivalents at end of period	6	4
Supplemental disclosure of non-cash activities
Change in accrued capital expenditures	(11)	(9)
Change in notes receivable from PGS	$ 0	$ (736)