v3.26.1
Insurance Liabilities - Interest Rates Used in Measurement of Insurance Liabilities and Durations of Insurance Liabilities (Details)
Jun. 30, 2026
Jun. 30, 2025
Large case pensions    
Liability for Future Policy Benefit, Activity [Line Items]    
Interest accretion rate 4.21% 4.20%
Current discount rate 5.37% 5.24%
Weighted-average duration of long-duration insurance liabilities 7 years 2 months 12 days 7 years 2 months 12 days
Long-term care    
Liability for Future Policy Benefit, Activity [Line Items]    
Interest accretion rate 5.11% 5.11%
Current discount rate 5.65% 5.59%
Weighted-average duration of long-duration insurance liabilities 11 years 1 month 6 days 11 years 4 months 24 days