CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Operating Activities:
Net income	$ 79	$ 71
Non-cash items included in net income:
Depreciation and amortization	71	68
Deferred income tax provision	(11)	(19)
Power and natural gas cost deferrals, net	2	43
Amortization of debt expense	1	1
Stock-based compensation expense	3	2
Equity-related AFUDC	(3)	(2)
Pension and other postretirement benefit expense	4	3
Other regulatory assets and liabilities	22	(10)
Other deferred debits and credits	20	19
Change in decoupling regulatory deferral	8	(3)
Realized and unrealized losses on assets	2	(2)
Other	0	(1)
Contributions to defined benefit pension plan	(3)	(3)
Cash received for settlement of interest rate swap agreements	0	4
Changes in certain current assets and liabilities:
Accounts and notes receivable	(16)	(4)
Inventory	(9)	(4)
Collateral for derivative instruments	25	22
Income taxes receivable	22	21
Other current assets	(46)	(4)
Accounts payable	(18)	(27)
Other current liabilities	31	15
Net cash provided by operating activities	184	190
Investing Activities:
Utility property capital expenditures (excluding equity-related AFUDC)	(103)	(119)
Investments made in equity and property	0	(2)
Other	0	3
Net cash used in investing activities	(103)	(118)
Financing Activities:
Net decrease in short-term borrowings	(67)	(54)
Maturity of long-term debt and finance leases	(1)	(1)
Issuance of common stock, net of issuance costs	16	0
Cash dividends paid	(40)	(38)
Other	(2)	(2)
Net cash used in financing activities	(94)	(95)
Net decrease in cash and cash equivalents	(13)	(23)
Cash and cash equivalents at beginning of period	30	35
Cash and cash equivalents at end of period	$ 17	$ 12