v3.26.1
Investment Information - Allowance for expected credit losses (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Allowance for expected credit losses        
Balance at beginning of period     $ 20  
Balance at end of period $ 16   16  
Fixed maturities        
Allowance for expected credit losses        
Balance at beginning of period 13 $ 21 20 $ 22
Additions for current-period provision for expected credit losses 0 2 2 5
Additions (reductions) for previously recognized expected credit losses 4 7 (3) 4
Reductions due to disposals (1) (2) (3) (3)
Balance at end of period 16 28 16 28
Structured securities        
Allowance for expected credit losses        
Balance at beginning of period [1] 6 8 9 9
Additions for current-period provision for expected credit losses [1] 0 0 1 3
Additions (reductions) for previously recognized expected credit losses [1] 3 2 (1) (2)
Reductions due to disposals [1] 0 0 0 0
Balance at end of period [1] 9 10 9 10
Corporate bonds        
Allowance for expected credit losses        
Balance at beginning of period 6 12 10 12
Additions for current-period provision for expected credit losses 0 2 1 2
Additions (reductions) for previously recognized expected credit losses 1 4 (2) 5
Reductions due to disposals (1) (2) (3) (3)
Balance at end of period 6 16 6 16
Non-U.S. government securities        
Allowance for expected credit losses        
Balance at beginning of period 1 1 1 1
Additions for current-period provision for expected credit losses 0 0 0 0
Additions (reductions) for previously recognized expected credit losses 0 1 0 1
Reductions due to disposals 0 0 0 0
Balance at end of period $ 1 $ 2 $ 1 $ 2
[1] Includes asset backed securities, residential mortgage backed securities and commercial mortgage backed securities.