v3.25.4
Report of Directors Financial Review Risk Report - Consensus upside and downside scenarios (Details)
12 Months Ended
Dec. 31, 2025
USD ($)
economicScenario
Dec. 31, 2024
Disclosure of sensitivity analysis for actuarial assumptions [line items]    
Number of economic scenarios | economicScenario 4  
Consensus upside scenario | UK | Less than 1 year    
Disclosure of sensitivity analysis for actuarial assumptions [line items]    
GDP (annual average growth rate, %) 11.00% 11.30%
Consensus upside scenario | UK | 1–2 years    
Disclosure of sensitivity analysis for actuarial assumptions [line items]    
Unemployment rate (%) 3.20% 3.50%
House prices (annual average growth rate, %) 20.00% 24.20%
Inflation (annual average growth rate, %) 3.50% 1.40%
Central bank policy rate (annual average, %) 3.90% 3.60%
Consensus upside scenario | US | Less than 1 year    
Disclosure of sensitivity analysis for actuarial assumptions [line items]    
GDP (annual average growth rate, %) 15.20% 13.60%
Consensus upside scenario | US | 1–2 years    
Disclosure of sensitivity analysis for actuarial assumptions [line items]    
Unemployment rate (%) 3.50% 3.60%
House prices (annual average growth rate, %) 23.20% 23.60%
Inflation (annual average growth rate, %) 3.60% 1.60%
Central bank policy rate (annual average, %) 3.90% 3.60%
Consensus upside scenario | Hong Kong | Less than 1 year    
Disclosure of sensitivity analysis for actuarial assumptions [line items]    
GDP (annual average growth rate, %) 20.70% 21.40%
Consensus upside scenario | Hong Kong | 1–2 years    
Disclosure of sensitivity analysis for actuarial assumptions [line items]    
Unemployment rate (%) 2.80% 2.90%
House prices (annual average growth rate, %) 19.40% 25.30%
Inflation (annual average growth rate, %) 2.90% (0.10%)
Central bank policy rate (annual average, %) 4.20% 4.00%
Consensus upside scenario | Mainland China | Less than 1 year    
Disclosure of sensitivity analysis for actuarial assumptions [line items]    
GDP (annual average growth rate, %) 28.60% 27.50%
Consensus upside scenario | Mainland China | 1–2 years    
Disclosure of sensitivity analysis for actuarial assumptions [line items]    
Unemployment rate (%) 4.70% 4.90%
House prices (annual average growth rate, %) 14.90% 9.80%
Inflation (annual average growth rate, %) 1.50% (1.00%)
Central bank policy rate (annual average, %) 3.40% 2.70%
Consensus upside scenario | France | Less than 1 year    
Disclosure of sensitivity analysis for actuarial assumptions [line items]    
GDP (annual average growth rate, %) 8.50% 8.90%
Consensus upside scenario | France | 1–2 years    
Disclosure of sensitivity analysis for actuarial assumptions [line items]    
Unemployment rate (%) 6.60% 6.40%
House prices (annual average growth rate, %) 22.60% 22.80%
Inflation (annual average growth rate, %) 2.40% 0.10%
Central bank policy rate (annual average, %) 2.50% 1.40%
Consensus upside scenario | UAE | Less than 1 year    
Disclosure of sensitivity analysis for actuarial assumptions [line items]    
GDP (annual average growth rate, %) 29.00% 28.90%
Consensus upside scenario | UAE | 1–2 years    
Disclosure of sensitivity analysis for actuarial assumptions [line items]    
Unemployment rate (%) 2.00% 2.20%
House prices (annual average growth rate, %) 22.20% 26.10%
Inflation (annual average growth rate, %) 3.10% 0.60%
Central bank policy rate (annual average, %) 3.90% 3.60%
Consensus upside scenario | Mexico | Less than 1 year    
Disclosure of sensitivity analysis for actuarial assumptions [line items]    
GDP (annual average growth rate, %) 16.90% 13.60%
Consensus upside scenario | Mexico | 1–2 years    
Disclosure of sensitivity analysis for actuarial assumptions [line items]    
Unemployment rate (%) 2.80% 3.00%
House prices (annual average growth rate, %) 29.50% 31.70%
Inflation (annual average growth rate, %) 4.20% 3.10%
Central bank policy rate (annual average, %) 8.10% 7.60%
Consensus downside scenario    
Disclosure of sensitivity analysis for actuarial assumptions [line items]    
US tariff rate 19.00%  
Oil price per barrel, minimum $ 40  
Consensus downside scenario | UK | Less than 1 year    
Disclosure of sensitivity analysis for actuarial assumptions [line items]    
GDP (annual average growth rate, %) (0.20%) (1.00%)
Consensus downside scenario | UK | 1–2 years    
Disclosure of sensitivity analysis for actuarial assumptions [line items]    
Unemployment rate (%) 6.20% 6.10%
House prices (annual average growth rate, %) (4.10%) (4.50%)
Inflation (annual average growth rate, %) 1.30% 3.40%
Central bank policy rate (annual average, %) 2.20% 5.00%
Consensus downside scenario | US | Less than 1 year    
Disclosure of sensitivity analysis for actuarial assumptions [line items]    
GDP (annual average growth rate, %) (0.80%) (0.60%)
Consensus downside scenario | US | 1–2 years    
Disclosure of sensitivity analysis for actuarial assumptions [line items]    
Unemployment rate (%) 5.30% 5.30%
House prices (annual average growth rate, %) (3.10%) (0.20%)
Inflation (annual average growth rate, %) 3.40% 4.50%
Central bank policy rate (annual average, %) 4.60% 4.80%
Consensus downside scenario | Hong Kong | Less than 1 year    
Disclosure of sensitivity analysis for actuarial assumptions [line items]    
GDP (annual average growth rate, %) (1.70%) (4.50%)
Consensus downside scenario | Hong Kong | 1–2 years    
Disclosure of sensitivity analysis for actuarial assumptions [line items]    
Unemployment rate (%) 4.80% 5.10%
House prices (annual average growth rate, %) (3.80%) (1.90%)
Inflation (annual average growth rate, %) 0.10% 3.10%
Central bank policy rate (annual average, %) 5.00% 5.20%
Consensus downside scenario | Mainland China | Less than 1 year    
Disclosure of sensitivity analysis for actuarial assumptions [line items]    
GDP (annual average growth rate, %) (1.70%) (2.50%)
Consensus downside scenario | Mainland China | 1–2 years    
Disclosure of sensitivity analysis for actuarial assumptions [line items]    
Unemployment rate (%) 6.80% 6.90%
House prices (annual average growth rate, %) (5.60%) (12.80%)
Inflation (annual average growth rate, %) (2.90%) 2.00%
Central bank policy rate (annual average, %) 1.50% 3.00%
Consensus downside scenario | France | Less than 1 year    
Disclosure of sensitivity analysis for actuarial assumptions [line items]    
GDP (annual average growth rate, %) (0.40%) (0.60%)
Consensus downside scenario | France | 1–2 years    
Disclosure of sensitivity analysis for actuarial assumptions [line items]    
Unemployment rate (%) 8.60% 8.30%
House prices (annual average growth rate, %) 0.70% (0.30%)
Inflation (annual average growth rate, %) 0.40% 2.60%
Central bank policy rate (annual average, %) 0.60% 3.20%
Consensus downside scenario | UAE | Less than 1 year    
Disclosure of sensitivity analysis for actuarial assumptions [line items]    
GDP (annual average growth rate, %) 0.40% 0.30%
Consensus downside scenario | UAE | 1–2 years    
Disclosure of sensitivity analysis for actuarial assumptions [line items]    
Unemployment rate (%) 3.20% 3.40%
House prices (annual average growth rate, %) (3.40%) (0.40%)
Inflation (annual average growth rate, %) 0.50% 2.80%
Central bank policy rate (annual average, %) 4.60% 4.80%
Consensus downside scenario | Mexico | Less than 1 year    
Disclosure of sensitivity analysis for actuarial assumptions [line items]    
GDP (annual average growth rate, %) (1.00%) (2.10%)
Consensus downside scenario | Mexico | 1–2 years    
Disclosure of sensitivity analysis for actuarial assumptions [line items]    
Unemployment rate (%) 3.80% 4.10%
House prices (annual average growth rate, %) 0.60% 2.10%
Inflation (annual average growth rate, %) 4.70% 7.40%
Central bank policy rate (annual average, %) 9.50% 11.50%
Downside 2 scenario    
Disclosure of sensitivity analysis for actuarial assumptions [line items]    
US tariff rate 25.00%  
Oil price per barrel, minimum $ 30  
Downside 2 scenario | UK | Less than 1 year    
Disclosure of sensitivity analysis for actuarial assumptions [line items]    
GDP (annual average growth rate, %) (5.30%) (9.10%)
Downside 2 scenario | UK | 1–2 years    
Disclosure of sensitivity analysis for actuarial assumptions [line items]    
Unemployment rate (%) 8.90% 8.40%
House prices (annual average growth rate, %) (24.20%) (27.20%)
Inflation (annual average growth rate, %) (1.90%) 10.10%
Central bank policy rate (annual average, %) 1.40% 5.50%
Downside 2 scenario | US | Less than 1 year    
Disclosure of sensitivity analysis for actuarial assumptions [line items]    
GDP (annual average growth rate, %) (4.50%) (4.10%)
Downside 2 scenario | US | 1–2 years    
Disclosure of sensitivity analysis for actuarial assumptions [line items]    
Unemployment rate (%) 9.00% 9.30%
House prices (annual average growth rate, %) (17.10%) (15.80%)
Inflation (annual average growth rate, %) 4.10% 4.90%
Central bank policy rate (annual average, %) 4.70% 5.50%
Downside 2 scenario | Hong Kong | Less than 1 year    
Disclosure of sensitivity analysis for actuarial assumptions [line items]    
GDP (annual average growth rate, %) (9.30%) (10.10%)
Downside 2 scenario | Hong Kong | 1–2 years    
Disclosure of sensitivity analysis for actuarial assumptions [line items]    
Unemployment rate (%) 7.00% 7.10%
House prices (annual average growth rate, %) (19.60%) (34.40%)
Inflation (annual average growth rate, %) (1.70%) 3.60%
Central bank policy rate (annual average, %) 5.00% 5.90%
Downside 2 scenario | Mainland China | Less than 1 year    
Disclosure of sensitivity analysis for actuarial assumptions [line items]    
GDP (annual average growth rate, %) (6.00%) (8.70%)
Downside 2 scenario | Mainland China | 1–2 years    
Disclosure of sensitivity analysis for actuarial assumptions [line items]    
Unemployment rate (%) 7.00% 7.10%
House prices (annual average growth rate, %) (23.10%) (30.50%)
Inflation (annual average growth rate, %) (6.50%) 3.80%
Central bank policy rate (annual average, %) 1.20% 3.50%
Downside 2 scenario | France | Less than 1 year    
Disclosure of sensitivity analysis for actuarial assumptions [line items]    
GDP (annual average growth rate, %) (6.20%) (7.90%)
Downside 2 scenario | France | 1–2 years    
Disclosure of sensitivity analysis for actuarial assumptions [line items]    
Unemployment rate (%) 10.70% 10.40%
House prices (annual average growth rate, %) (5.90%) (14.00%)
Inflation (annual average growth rate, %) (0.60%) 7.60%
Central bank policy rate (annual average, %) 0.10% 4.20%
Downside 2 scenario | UAE | Less than 1 year    
Disclosure of sensitivity analysis for actuarial assumptions [line items]    
GDP (annual average growth rate, %) (5.70%) (6.80%)
Downside 2 scenario | UAE | 1–2 years    
Disclosure of sensitivity analysis for actuarial assumptions [line items]    
Unemployment rate (%) 3.90% 5.00%
House prices (annual average growth rate, %) (30.50%) (13.20%)
Inflation (annual average growth rate, %) 0.30% 3.70%
Central bank policy rate (annual average, %) 4.70% 5.60%
Downside 2 scenario | Mexico | Less than 1 year    
Disclosure of sensitivity analysis for actuarial assumptions [line items]    
GDP (annual average growth rate, %) (10.00%) (10.50%)
Downside 2 scenario | Mexico | 1–2 years    
Disclosure of sensitivity analysis for actuarial assumptions [line items]    
Unemployment rate (%) 5.20% 5.60%
House prices (annual average growth rate, %) 0.60% 2.00%
Inflation (annual average growth rate, %) 4.80% 7.90%
Central bank policy rate (annual average, %) 9.90% 12.10%