v3.26.1
Market Risk Benefits (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Dec. 31, 2024
Market Risk Benefit [Line Items]        
Market risk benefits, at fair value $ 249   $ 234  
Insurance, Other | Americas [Member] | US Financial Solutions Segment        
Market Risk Benefit [Line Items]        
Market Risk Benefit, after Reinsurance and Cumulative Increase (Decrease) from Instrument-Specific Credit Risk Change 234 $ 230 215 $ 206
Market Risk Benefit, before Reinsurance and Cumulative Increase (Decrease) from Instrument-Specific Credit Risk Change (4) (8) $ 217 $ 209
Market Risk Benefit, Interest Expense 1 2    
Market Risk Benefit, Attributed Fee Collected 6 6    
Market Risk Benefit, Benefit Payment 0 0    
Market Risk Benefit, Increase (Decrease) from Future Expected Policyholder Behavior Assumption 0 11    
Market Risk Benefit, Increase (Decrease) from Interest Rate Change 3 6    
Market Risk Benefit, Increase (Decrease) from Equity Market Change 4 1    
Market Risk Benefit, Increase (Decrease) from Volatility 2 (2)    
Market Risk Benefit, Increase (Decrease) from Other Assumption 5 5    
Market Risk Benefit, Increase (Decrease) from Actual Policyholder Behavior Different from Expected 238 238    
AOCI, Market Risk Benefit, Instrument-Specific Credit Risk, before Tax 234 230    
Market Risk Benefit, Reinsurance Recoverable, after Allowance 0 0    
Market risk benefits, at fair value $ 1,180 $ 1,264    
Net Amount at Risk by Product and Guarantee, Weighted Average Attained Age 72 years 72 years