CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Operating Activities:
Net Income	$ 608,721	$ 552,668
Adjustments to Reconcile Net Income to Net Cash Flows Provided by Operating Activities:
Depreciation	420,481	379,579
Deferred Income Taxes	81,402	(56,524)
Uncollectible Expense	30,795	22,863
Pension, SERP and PBOP Income, Net	(28,287)	(18,811)
Regulatory Over Recoveries, Net	126,339	84,461
Amortization	402,764	455,449
Cost of Removal Expenditures	(41,385)	(67,151)
Other	28,255	15,840
Changes in Current Assets and Liabilities:
Receivables and Unbilled Revenues, Net	(264,738)	(288,984)
Taxes Receivable/Accrued, Net	247,015	288,790
Accounts Payable	(145,387)	(131,367)
Other Current Assets and Liabilities, Net	(141,649)	(196,218)
Net Cash Flows Provided by Operating Activities	1,324,326	1,040,595
Investing Activities:
Investments in Property, Plant and Equipment	(1,009,311)	(1,007,384)
Proceeds from Sales of Marketable Securities	40,954	64,007
Purchases of Marketable Securities	(37,075)	(61,049)
Payments for Offshore Wind Contingent Liability	(150,001)	0
Investments in Unconsolidated Affiliates	0	(504)
Other Investing Activities	5,490	5,700
Net Cash Flows Used in Investing Activities	(1,149,943)	(999,230)
Financing Activities:
Cash Dividends on Common Shares	(290,023)	(270,232)
Cash Dividends on Preferred Stock	(1,880)	(1,880)
Decrease in Notes Payable	(992,445)	(552,694)
Repayment of Rate Reduction Bonds	(21,605)	(21,605)
Issuance of Long-Term Debt	1,502,574	1,201,407
Retirement of Long-Term Debt	(250,116)	(300,051)
Other Financing Activities	(29,342)	(23,000)
Net Cash Flows (Used In)/Provided by Financing Activities	(82,837)	31,945
Net (Decrease)/Increase in Cash and Restricted Cash	91,546	73,310
Cash and Restricted Cash - Beginning of Period	246,245	127,308
Cash and Restricted Cash - End of Period	$ 337,791	$ 200,618