Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Cash flows from operating activities:
Net income	$ 100	$ 109
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	140	121
Deferred income taxes	20	37
Pension and other postretirement benefits	2	1
Allowance for equity funds used during construction	(5)	(5)
Decoupling mechanism deferrals, net of amortization	4	11
Gain (Loss) on Disposition of Other Assets	3	(1)
Other non-cash income and expenses, net	30	22
Changes in working capital:
Decrease in accounts receivable, net	(25)	(5)
(Increase) in inventories	3	(1)
(Increase)/decrease in margin deposits	55	27
(Decrease) in accounts payable and accrued liabilities	(37)	24
Increase (Decrease) in Other Accounts Payable and Accrued Liabilities	5	0
Other working capital items, net	(28)	(16)
Other, net	(23)	(28)
Net cash provided by operating activities	231	175
Cash flows from investing activities:
Capital expenditures	(359)	(325)
Purchases of Nuclear decommissioning trust securities	(2)	0
Other, net	(15)	(6)
Net cash used in investing activities	(376)	(331)
Net Cash Provided by (Used in) Financing Activities [Abstract]
Proceeds from Issuance or Sale of Equity	0	78
Payments on long-term debt	(102)	0
Proceeds from Issuance of long-term debt	310	450
Issuance of commercial paper, net	0	(146)
Dividends paid	(55)	(48)
Other	(9)	(7)
Net cash provided by (used in) financing activities	144	327
Increase (Decrease) in cash and cash equivalents	(1)	171
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	11	176
Supplemental cash flow information is as follows:
Cash paid for interest, net of amounts capitalized	43	26
Cash paid for income taxes, net	(1)	2
Increase (Decrease) in Other Regulatory Assets	(5)	(120)
Increase (Decrease) in Regulatory Liabilities	$ (8)	(3)
Common Stock Including Additional Paid in Capital [Member]
Net Cash Provided by (Used in) Financing Activities [Abstract]
Proceeds from Issuance or Sale of Equity		$ 78

The deferral, which can be either a positive or negaitive amount depending on whether a collection from or refund to customers results, of the amounts recorded in net income for energy useage by customers on a weather adjusted basis that is different from base rates as determined under the Company's decoupling mechanism, expected to be recovered or refunded in future periods.

No definition available.