Future policy benefits (Weighted average interest rates) (Details) - Life Insurance [Member]	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Term Life Insurance
Liability for Future Policy Benefit, Activity [Line Items]
Interest Accretion Rate	3.00%	2.80%	2.50%
Current Discount Rate	5.40%	5.20%	5.60%
Whole Life Insurance
Liability for Future Policy Benefit, Activity [Line Items]
Interest Accretion Rate	3.30%	3.20%	3.90%
Current Discount Rate	4.10%	4.60%	5.40%
Accident and Health [Member]
Liability for Future Policy Benefit, Activity [Line Items]
Interest Accretion Rate	3.90%	3.70%	3.60%
Current Discount Rate	5.80%	6.20%	6.30%
Insurance, Other [Member]
Liability for Future Policy Benefit, Activity [Line Items]
Interest Accretion Rate	2.80%	2.60%	3.70%
Current Discount Rate	3.80%	4.10%	5.60%