Annual report [Section 13 and 15(d), not S-K Item 405]

Summary of Significant Accounting Policies - Account Receivable Narrative (Details)

v3.25.0.1
Summary of Significant Accounting Policies - Account Receivable Narrative (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Jun. 30, 2024
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Business Acquisition [Line Items]        
Accounts receivables from contracts with customer   $ 69.3 $ 436.3  
Income taxes receivable   8.9 8.9  
Puerto Rico Electric Power Authority (PREPA)        
Business Acquisition [Line Items]        
Interest income, other   $ 20.8 45.4 $ 41.3
Interest charged on accounts receivable     $ 197.5  
Puerto Rico Electric Power Authority (PREPA) | Cobra Acquisitions        
Business Acquisition [Line Items]        
Accounts receivable, recognized, interest charge $ 81.5      
Minimum        
Business Acquisition [Line Items]        
Accounts receivable, threshold period delinquent   30 days    
Maximum        
Business Acquisition [Line Items]        
Accounts receivable, threshold period delinquent   60 days