v3.25.4
Variable Interest Entities (Schedule of VIE Assets and Liabilities) (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
VIE Assets and Liabilities [Abstract]      
Net Property, Plant and Equipment $ 28,688.2 $ 25,453.9  
Current assets [1] 2,377.2 2,080.2  
Total Assets 35,858.7 31,788.1 $ 31,077.2
Current liabilities 3,457.4 4,113.4  
Asset retirement obligations 781.9 698.6  
Finance Lease, Liability, Payment, Due 497.9    
Variable Interest Entity, Primary Beneficiary      
VIE Assets and Liabilities [Abstract]      
Net Property, Plant and Equipment 1,273.0 1,323.8  
Current assets 27.6 65.0  
Total Assets 1,300.6 1,388.8  
Current liabilities 16.1 53.7  
Asset retirement obligations 55.7 58.3  
Finance Lease, Liability, Payment, Due 40.1 40.4  
Total liabilities(1)(2) 111.9 $ 152.4  
us-gaap_VariableInterestEntityPrimaryBeneficiaryMemberGenCo      
VIE Assets and Liabilities [Abstract]      
Net Property, Plant and Equipment 39.7    
Current assets 62.5    
Other Assets 305.4    
Total Assets 407.6    
Current liabilities 40.8    
Total liabilities(1)(2) $ 40.8    
[1]
(1)Includes $1,312.7 million and $1,323.8 million in 2025 and 2024, respectively, of net property, plant and equipment assets, $90.1 million and $65.0 million in 2025 and 2024, respectively, of current assets of consolidated VIEs that may be used only to settle obligations of the consolidated VIEs. Refer to Note 4, "Noncontrolling Interests," for additional information.
(2)Includes $305.4 million in 2025 of advanced deposits of project costs of consolidated VIEs that may be used only to settle obligations of the consolidated VIEs. Refer to Note 4, "Noncontrolling Interests," for additional information.