v3.26.3
INVESTMENTS - Mortgage Loans (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Allowance for credit losses on mortgage loans:        
Balance, beginning of period     $ 313  
Balance, end of period $ 378 $ 287 378 $ 287
Commercial mortgages:        
Allowance for credit losses on mortgage loans:        
Balance, beginning of period 299 293 299 259
Current-period provision for expected credit losses 50 (19) 84 15
Write-offs charged against the allowance 1 0 (33) 0
Recoveries of amounts previously written off 0 0 0 0
Net change in allowance 51 (19) 51 15
Balance, end of period 350 274 350 274
Agricultural mortgages:        
Allowance for credit losses on mortgage loans:        
Balance, beginning of period 8 5 6 15
Current-period provision for expected credit losses 0 1 2 (1)
Write-offs charged against the allowance 0 0 0 (8)
Recoveries of amounts previously written off 0 0 0 0
Net change in allowance 0 1 2 (9)
Balance, end of period 8 6 8 6
Residential mortgages:        
Allowance for credit losses on mortgage loans:        
Balance, beginning of period 15 7 8 4
Current-period provision for expected credit losses 5 0 12 3
Write-offs charged against the allowance 0 0 0 0
Recoveries of amounts previously written off 0 0 0 0
Net change in allowance 5 0 12 3
Balance, end of period $ 20 $ 7 $ 20 $ 7