v3.26.1
Investments - Allowance for credit losses on fixed maturities (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Allowance for Credit Losses [Roll Forward]        
Beginning balance $ 26 $ 41 $ 21 $ 34
Provision for expected credit losses on securities with no previous allowance 0 1 5 3
Additions to previously recognized expected credit losses 3 (1) 3 4
Reductions due to sales or redemptions (4) (26) (4) (26)
Ending balance 25 15 25 15
Structured Securities        
Allowance for Credit Losses [Roll Forward]        
Beginning balance 11 11 11 11
Provision for expected credit losses on securities with no previous allowance 0 0 0 0
Additions to previously recognized expected credit losses 0 (1) 0 (1)
Reductions due to sales or redemptions 0 0 0 0
Ending balance 11 10 11 10
Corporate and other        
Allowance for Credit Losses [Roll Forward]        
Beginning balance 15 30 10 23
Provision for expected credit losses on securities with no previous allowance 0 1 5 3
Additions to previously recognized expected credit losses 3 0 3 5
Reductions due to sales or redemptions (4) (26) (4) (26)
Ending balance $ 14 $ 5 $ 14 $ 5