Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Cash flows from operating activities:
Net income	$ 181	$ 113
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	243	224
Deferred income taxes	27	6
Pension and other postretirement benefits	3	3
Allowance for equity funds used during construction	(11)	(7)
Decoupling mechanism deferrals, net of amortization	14	(5)
Gain (Loss) on Disposition of Other Assets	13	0
Other non-cash income and expenses, net	39	28
Changes in working capital:
Decrease in accounts receivable, net	16	82
(Increase) in inventories	(4)	(13)
(Increase)/decrease in margin deposits	37	90
(Decrease) in accounts payable and accrued liabilities	(34)	(233)
Increase (Decrease) in Other Accounts Payable and Accrued Liabilities	0	(135)
Other working capital items, net	6	9
Other, net	(38)	(21)
Net cash provided by operating activities	364	143
Cash flows from investing activities:
Capital expenditures	(623)	(573)
Purchases of Nuclear decommissioning trust securities	(4)	0
Proceeds from Sale of Property, Plant, and Equipment	0	2
Other, net	(12)	(3)
Net cash used in investing activities	(639)	(574)
Net Cash Provided by (Used in) Financing Activities [Abstract]
Proceeds from Issuance or Sale of Equity	78	392
Payments on long-term debt	0	(260)
Proceeds from Issuance of long-term debt	450	100
Issuance of commercial paper, net	(146)	140
Dividends paid	(96)	(84)
Other	(10)	(9)
Net cash provided by (used in) financing activities	276	279
Increase (Decrease) in cash and cash equivalents	1	(152)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	6	13
Supplemental cash flow information is as follows:
Cash paid for interest, net of amounts capitalized	81	70
Cash paid for income taxes, net	(10)	16
Increase (Decrease) in Other Regulatory Assets	(118)	(10)
Increase (Decrease) in Regulatory Liabilities	$ (10)	$ 12