v3.25.2
Insurance - Schedule of Present Value of Expected Net Premium And Future Policy Benefits (Details) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Dec. 31, 2023
Term and Whole Life        
Liability for Future Policy Benefit, Expected Net Premium [Roll Forward]        
Balance at beginning of period $ 177 $ 217    
Effect of cumulative changes in discount rate assumptions (beginning of period) (1) (1) $ (2) $ (5)
Beginning balance at original discount rate 175 212    
Effect of actual variances from expected experience     (5) (11)
Adjusted balance at beginning of period     170 201
Interest accretion 4 6    
Net premiums collected (12) (14)    
Ending balance at original discount rate 162 193    
Effect of changes in discount rate assumptions 1 1 2 5
Balance at ending of period 163 194    
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Balance at beginning of period 378 435    
Effect of changes in discount rate assumptions (3) (5) (5) (12)
Beginning balance at original discount rate 373 423    
Effect of actual variances from expected experience     (5) (14)
Adjusted balance at beginning of period     368 409
Net issuances 2 2    
Interest accretion 10 11    
Benefit payments (24) (26)    
Ending balance at original discount rate 356 396    
Effect of changes in discount rate assumptions 3 5 5 12
Balance at ending of period 359 401    
Accidental Death and Disability Protection        
Liability for Future Policy Benefit, Expected Net Premium [Roll Forward]        
Balance at beginning of period 33 41    
Effect of cumulative changes in discount rate assumptions (beginning of period) 1 1 0 0
Beginning balance at original discount rate 33 41    
Effect of actual variances from expected experience     2 (2)
Adjusted balance at beginning of period     35 39
Interest accretion 1 1    
Net premiums collected (2) (3)    
Ending balance at original discount rate 34 37    
Effect of changes in discount rate assumptions (1) (1) 0 0
Balance at ending of period 33 36    
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward]        
Balance at beginning of period 96 113    
Effect of changes in discount rate assumptions 3 3 2 0
Beginning balance at original discount rate 98 113    
Effect of actual variances from expected experience     4 (3)
Adjusted balance at beginning of period     102 110
Net issuances 1 1    
Interest accretion 2 3    
Benefit payments (6) (8)    
Ending balance at original discount rate 99 106    
Effect of changes in discount rate assumptions (3) (3) $ (2) $ 0
Balance at ending of period $ 96 $ 103