CONSOLIDATED STATEMENT OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
OPERATING ACTIVITIES
NET INCOME	$ 791	$ 720
PRINCIPAL NON-CASH CHARGES (CREDITS) TO INCOME
Depreciation and amortization	564	539
Deferred income taxes	247	188
Rate case amortization and accruals	64	49
Pre-tax loss on sale of the Clean Energy Businesses	0	30
Other non-cash items, net	(36)	(53)
CHANGES IN ASSETS AND LIABILITIES
Accounts receivable – customers, net	(305)	(215)
Revenue decoupling mechanism receivable	26	(78)
Other receivables, net and other current assets	2	129
Taxes receivable	26	0
Unbilled revenue and net unbilled revenue deferrals	(7)	(26)
Prepayments	(554)	(554)
Accounts payable	(140)	(178)
Pensions and retiree benefits obligations, net	(148)	(52)
Pensions and retiree benefits contributions	(5)	(4)
Accrued taxes	12	(13)
Accrued interest	137	128
Superfund and other environmental costs, net	(10)	(6)
Distributions from equity investments	16	0
Deferred charges, noncurrent assets, leases, net and other regulatory assets	(151)	30
Deferred credits, noncurrent liabilities and other regulatory liabilities	299	86
Other current liabilities	9	(147)
NET CASH FLOWS FROM OPERATING ACTIVITIES	837	573
INVESTING ACTIVITIES
Utility capital expenditures	(1,155)	(1,237)
Cost of removal less salvage	(107)	(107)
Proceeds from sale of Broken Bow II, net of cash and cash equivalents sold	45	0
Other investing activities	(14)	0
NET CASH FLOWS USED IN INVESTING ACTIVITIES	(1,231)	(1,344)
FINANCING ACTIVITIES
Net issuance (payment) of short-term debt	(1,820)	11
Borrowing under term loan	200	0
Debt issuance costs	(1)	(1)
Common stock dividends	(282)	(274)
Issuance of common shares - public offering	1,308	0
Issuance of common shares for stock plans	16	15
NET CASH FLOWS USED IN FINANCING ACTIVITIES	(579)	(249)
CASH, TEMPORARY CASH INVESTMENTS, AND RESTRICTED CASH:
NET CHANGE FOR THE PERIOD	(973)	(1,020)
BALANCE AT BEGINNING OF PERIOD	1,333	1,195
BALANCE AT END OF PERIOD	360	175
Total cash, temporary cash investments and restricted cash	360	175
LESS: CHANGE IN CASH AND RESTRICTED CASH BALANCES HELD FOR SALE	0	6
BALANCE AT END OF PERIOD EXCLUDING HELD FOR SALE	360	169
Cash paid (received) during the period for:
Interest, net of capitalized interest	149	135
Income taxes	(33)	3
SUPPLEMENTAL DISCLOSURE OF NON-CASH INFORMATION
Capital expenditures in accounts payable	416	441
Issuance of common shares for dividend reinvestment	13	13
Equipment
SUPPLEMENTAL DISCLOSURE OF NON-CASH INFORMATION
Equipment acquired but unpaid as of end of period	$ 6	$ 11