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Property, Plant And Equipment (Schedule Of Property, Plant And Equipment) (Details) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Property, Plant and Equipment [Line Items]    
Property Plant and Equipment $ 34,152.9 $ 30,482.1
Accumulated Depreciation and Amortization (8,699.0) (8,207.2)
Net Property, Plant and Equipment 25,453.9 22,274.9
Gas Distribution Utility    
Property, Plant and Equipment [Line Items]    
Property Plant and Equipment 20,007.2 18,154.5
Accumulated Depreciation and Amortization (4,166.8) (3,924.4)
Electric Utility    
Property, Plant and Equipment [Line Items]    
Property Plant and Equipment 8,666.8 7,907.9
Accumulated Depreciation and Amortization (2,707.8) (2,709.5)
Common Utility    
Property, Plant and Equipment [Line Items]    
Property Plant and Equipment 248.1 274.2
Accumulated Depreciation and Amortization (163.4) (174.2)
Construction Work In Process    
Property, Plant and Equipment [Line Items]    
Property Plant and Equipment 2,084.7 1,261.1
Renewable Generation Assets    
Property, Plant and Equipment [Line Items]    
Property Plant and Equipment 1,434.2 1,434.4
Accumulated Depreciation and Amortization (110.4) (64.5)
Non-Utility And Other    
Property, Plant and Equipment [Line Items]    
Property Plant and Equipment 1,711.9 1,450.0
Accumulated Depreciation and Amortization $ (1,550.6) $ (1,334.6)