Disclosure of strategic risk [Text Block] Disclosure of strategic risk Adjustments for interest expense on lease liabilities Adjustments for interest expense on lease liabilities Purchase of investments classified as investing activities Purchase of investments classified as investing activities Disclosure of finance income expense from insurance contracts issued recognised in profit or loss [Text Block] Disclosure of finance income expense from insurance contracts issued recognised in profit or loss Disclosure of finance income expense from reinsurance contracts held recognised in profit or loss [Text Block] Disclosure of finance income expense from reinsurance contracts held recognised in profit or loss Distributions by trust classified as financing activities Distributions by trust classified as financing activities Proceeds on sale of investments classified as investing activities Proceeds on sale of investments classified as investing activities Investments in associate classified as investing activities Investments in associate classified as investing activities (lancashire) Net insurance and investment result Net insurance and investment result Net insurance and investment result Cash flows from (used in) operating activities Adjustments for interest expense on long-term debt Adjustments for interest expense on long-term debt (lancashire) Insurance service result before reinsurance contracts held Insurance service result before reinsurance contracts held Insurance service result before reinsurance contracts held Adjustments for net unrealised (gains) losses on investments Adjustments for net unrealised (gains) losses on investments Cash flows from (used in) financing activities Internally Generated Intangible Assets Classified As Investing Activities Internally Generated Intangible Assets Classified As Investing Activities Adjustments for net realised losses on investments Adjustments for net realised losses on investments Distributed By The Trust Distributed By The Trust Description of accounting policy for own shares [Text Block] Description of accounting policy for own shares Purchase Of Syndicate Participation Rights Classified As Investing Activities Purchase Of Syndicate Participation Rights Classified As Investing Activities Cash flows from (used in) investing activities Own shares Own shares Disclosure of operational risk [Text Block] Disclosure of operational risk Income (expenses) from reinsurance contracts held, other than finance income (expenses) Adjustments for other assets and liabilities Adjustments for other assets and liabilities Increase (decrease) in cash and cash equivalents before effect of exchange rate changes Own shares [Member] Own shares Disclosure of net investment income [Text Block] Disclosure of net investment income