XML 207 R166.htm IDEA: XBRL DOCUMENT v3.25.3
VARIABLE INTEREST ENTITIES - Narrative (Details) - USD ($)
$ in Millions
1 Months Ended
Aug. 31, 2025
Sep. 30, 2025
Dec. 31, 2024
Schedule of Equity Method Investments [Line Items]      
Long-term Debt Due Within One Year   $ 1,898.6 $ 3,335.0
Long-term Debt   44,239.0 39,307.8
Equity method investments   1,235.8 $ 1,055.9
Gigawatt.AI      
Schedule of Equity Method Investments [Line Items]      
Payments to acquire equity method investments $ 100.0    
Equity method investment, ownership percentage 10.00%    
Contingent consideration, additional investment in equity method investment $ 100.0    
Additional ownership percentage 10.00%    
Equity method investments $ 100.0 100.0  
Gigawatt.AI | Gigawatt AI Warrant      
Schedule of Equity Method Investments [Line Items]      
Percentage of ownership in investment called by warrants 5.00%    
Amount of investment called by warrant $ 50.0    
Variable Interest Entity, Primary Beneficiary      
Schedule of Equity Method Investments [Line Items]      
Securitization Bonds   465.0  
Variable Interest Entity, Primary Beneficiary | Secured Debt      
Schedule of Equity Method Investments [Line Items]      
Long-term Debt Due Within One Year   16.0  
Long-term Debt   $ 452.0