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Assets Held For Sale - Narrative (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Jan. 27, 2025
Dec. 31, 2024
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Income Tax Benefit     $ 424,664 $ 159,684 $ 453,574
Disposal Group, Held-for-Sale, Not Discontinued Operations | Aquarion          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Goodwill, impairment loss   $ 297,000      
Income Tax Benefit   $ 140,000      
Disposal group, including discontinued operation, pre-tax income     $ 43,100 $ 26,800 $ 33,600
Disposal Group, Held-for-Sale, Not Discontinued Operations | Aquarion | Subsequent Event          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Proceeds from divestiture of business $ 2,400,000        
Disposal group, including discontinued operation, equity 1,600,000        
Disposal group, including discontinues operation, debt $ 800,000