v3.26.1
INVESTMENTS - Mortgage Loans (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Allowance for credit losses on mortgage loans:    
Balance, beginning of period $ 313  
Balance, end of period 286 $ 272
Commercial mortgages:    
Allowance for credit losses on mortgage loans:    
Balance, beginning of period 299 259
Current-period provision for expected credit losses 3 (5)
Write-offs charged against the allowance (34) 0
Recoveries of amounts previously written off 0 0
Net change in allowance (31) (5)
Balance, end of period 268 254
Agricultural mortgages:    
Allowance for credit losses on mortgage loans:    
Balance, beginning of period 6 15
Current-period provision for expected credit losses 2 (2)
Write-offs charged against the allowance 0 0
Recoveries of amounts previously written off 0 0
Net change in allowance 2 (2)
Balance, end of period 8 13
Residential mortgages:    
Allowance for credit losses on mortgage loans:    
Balance, beginning of period 8 4
Current-period provision for expected credit losses 2 1
Write-offs charged against the allowance 0 0
Recoveries of amounts previously written off 0 0
Net change in allowance 2 1
Balance, end of period $ 10 $ 5