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Subsequent Events (Details)
$ in Millions
1 Months Ended 3 Months Ended 9 Months Ended
Oct. 31, 2024
USD ($)
extensionTerm
Dec. 31, 2024
USD ($)
Sep. 30, 2024
USD ($)
Sep. 30, 2024
USD ($)
Subsequent Event [Line Items]        
Pension settlement transaction loss (gain)     $ 4 $ 4
Forecast        
Subsequent Event [Line Items]        
Pension settlement transaction loss (gain)   $ 370    
Pension settlement charge, net of tax   290    
Forecast | Minimum | Hurricane Milton        
Subsequent Event [Line Items]        
Loss from catastrophes   25    
Forecast | Maximum | Hurricane Milton        
Subsequent Event [Line Items]        
Loss from catastrophes   $ 55    
Subsequent Event        
Subsequent Event [Line Items]        
Pension settlement charge $ 1,045      
Number of employees covered by transfer | extensionTerm 7,600      
Percentage of defined benefit obligation transferred 60.00%