Consolidated Statement of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
OPERATING ACTIVITIES
Net income	$ 1,820	$ 2,516	$ 1,600
PRINCIPAL NON-CASH CHARGES (CREDITS) TO INCOME
Depreciation and amortization	2,155	2,031	2,056
Deferred income taxes	416	132	435
Rate case amortization and accruals	201	92	73
Net derivative (gains) losses	0	12	(181)
Pre-tax loss (gain) on sale of the Clean Energy Businesses	62	(865)	0
Other non-cash items, net	(85)	(93)	102
CHANGES IN ASSETS AND LIABILITIES
Accounts receivable - customers, net	(263)	(275)	(296)
Unbilled revenue and net unbilled revenue deferrals	75	(48)	(96)
Materials and supplies, including fuel oil and gas in storage	(16)	38	(111)
Revenue decoupling mechanism receivable	0	(39)	26
Other receivables, net and other current assets	87	141	(36)
Taxes receivable	(144)	3	3
Prepayments	25	(200)	26
Accounts payable	(1)	(285)	558
Pensions and retiree benefits obligations, net	(284)	(179)	155
Pensions and retiree benefits contributions	(26)	(33)	(39)
Accrued taxes	(5)	(13)	7
Accrued interest	28	(7)	42
Superfund and environmental remediation costs, net	(43)	(12)	(22)
Distributions from equity investments	35	31	20
Deferred charges, noncurrent assets, leases, net and other regulatory assets	(797)	(1,200)	(833)
Deferred credits, noncurrent liabilities and other regulatory liabilities	475	196	445
Other current liabilities	(101)	213	1
NET CASH FLOWS FROM OPERATING ACTIVITIES	3,614	2,156	3,935
INVESTING ACTIVITIES
Utility capital expenditures	(4,770)	(4,353)	(3,824)
Cost of removal less salvage	(474)	(387)	(337)
Non-utility capital expenditures	(1)	(141)	(344)
Proceeds from sale of the Clean Energy Businesses, net of cash and cash equivalents sold	0	3,927	0
Other investing activities	(28)	(49)	(60)
NET CASH FLOWS USED IN INVESTING ACTIVITIES	(5,273)	(1,003)	(4,565)
FINANCING ACTIVITIES
Net issuance (payment) of short-term debt	(118)	(202)	1,152
Issuance of term loan	500	200	550
Retirement of term loan	0	(750)	0
Issuance of long-term debt	2,975	2,050	800
Retirement of long-term debt	(477)	(710)	(406)
Debt issuance costs	(43)	(32)	(13)
Common stock dividends	(1,100)	(1,096)	(1,089)
Issuance of common shares for stock plans	60	56	57
Repurchase of common shares	0	(1,000)	0
Distribution to noncontrolling interest	0	(4)	(37)
NET CASH FLOWS FROM (USED IN) FINANCING ACTIVITIES	1,797	(1,488)	1,014
CASH, TEMPORARY CASH INVESTMENTS, AND RESTRICTED CASH:
NET CHANGE FOR THE PERIOD	138	(335)	384
BALANCE AT BEGINNING OF PERIOD	1,195	1,530	1,146
BALANCE AT END OF PERIOD	1,333	1,195	1,530
Total cash, temporary cash investments and restricted cash	1,333	1,195	1,530
LESS: CASH AND RESTRICTED CASH BALANCES HELD FOR SALE	9	5	248
BALANCE AT END OF PERIOD EXCLUDING HELD FOR SALE	1,324	1,190	1,282
Cash paid during the period for:
Interest, net of capitalized interest	1,072	987	900
Income taxes	7	397	47
SUPPLEMENTAL DISCLOSURE OF NON-CASH INFORMATION
Capital expenditures in accounts payable	501	598	681
Issuance of common shares for dividend reinvestment	49	31	31
Software Licenses
SUPPLEMENTAL DISCLOSURE OF NON-CASH INFORMATION
Capital expenditures incurred but unpaid as of end of period	0	0	2
Equipment
SUPPLEMENTAL DISCLOSURE OF NON-CASH INFORMATION
Capital expenditures incurred but unpaid as of end of period	$ 6	$ 11	$ 17