XML 196 R155.htm IDEA: XBRL DOCUMENT v3.24.0.1
Reinsurance and Indemnification - North Carolina Reinsurance Facility (Narrative) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Sep. 30, 2023
Dec. 31, 2022
Dec. 31, 2021
Reinsurance Retention Policy [Line Items]        
Insurance premiums $ 52,516   $ 47,736 $ 44,052
North Carolina Reinsurance Facility        
Reinsurance Retention Policy [Line Items]        
Funds deficit in member's equity   $ 122    
Net income   25    
Insurance premiums   1,200    
Paid and due from reinsurers and indemnitors 83      
Recoverables $ 299      
Reinsurance Contract [Axis]: Member Loss Recoupments | North Carolina Reinsurance Facility        
Reinsurance Retention Policy [Line Items]        
Insurance premiums   153    
Reinsurance Contract [Axis]: Private Passenger Auto Risk Recoupment | North Carolina Reinsurance Facility        
Reinsurance Retention Policy [Line Items]        
Insurance premiums   $ 364