XML 133 R86.htm IDEA: XBRL DOCUMENT v3.23.2
Reserve for Unpaid Losses and Loss Adjustment Expenses - P&C Prior Accident Years Reserve Development (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Segment Reconciling Items | Asbestos and Environmental    
Prior accident year development $ 0 $ 0
Segment Reconciling Items | Catastrophe    
Prior accident year development (44) (30)
Accident and Health Insurance Product Line [Member] | Segment Reconciling Items    
Prior accident year development (113) (85)
Accident and Health Insurance Product Line [Member] | Segment Reconciling Items | COVID-19 related Claims    
Prior accident year development 20  
Change in Workers Compensation Discount Including Accretion [Member] | Segment Reconciling Items    
Prior accident year development 22 18
General Liability [Member] | Segment Reconciling Items    
Prior accident year development 28 33
Marine | Segment Reconciling Items    
Prior accident year development (1) (3)
Package Business [Member] | Segment Reconciling Items    
Prior accident year development (8) (24)
Property Insurance [Member] | Commercial Lines | Segment Reconciling Items    
Prior accident year development 0 (21)
Property Insurance [Member] | Personal Lines | Segment Reconciling Items    
Prior accident year development 1 0
Professional Liability Insurance [Member] | Segment Reconciling Items    
Prior accident year development (3) (9)
Surety Product Line [Member] | Segment Reconciling Items    
Prior accident year development 12 (4)
Assumed reinsurance | Segment Reconciling Items    
Prior accident year development 17 12
Automobiles [Member] | Commercial Lines | Segment Reconciling Items    
Prior accident year development 6 12
Automobiles [Member] | Personal Lines | Segment Reconciling Items    
Prior accident year development 0 (5)
Uncollectible reinsurance | Segment Reconciling Items    
Prior accident year development 12 6
Insurance, Other [Member] | Segment Reconciling Items    
Prior accident year development 32 6
Property, Liability and Casualty Insurance Product Line    
Prior accident year development $ (39) $ (94)