Shares Held In Trust [Member] Shares Held In Trust Cash Outflow For Total Cash Capital Expenditure Cash Outflow For Total Cash Capital Expenditure Adjustments for Increase (Decrease) in Derivative Financial Instruments Adjustments for Increase (Decrease) in Derivative Financial Instruments Net Increase (Decrease) In Debt With Maturity Period Within Three Months Net Increase (Decrease) In Debt With Maturity Period Within Three Months Total expenditure Purchase of treasury shares Net Purchases and Dividends Received, Shares Held in Trust, Classified as Financing Activities Net Purchases and Dividends Received, Shares Held in Trust, Classified as Financing Activities Cash flow from operating activities Other Miscellaneous Reserves [Member] Other Miscellaneous Reserves Amounts Transferred From Other Comprehensive Income To Profit Amounts Transferred From Other Comprehensive Income To Profit Tangible Exploration And Evaluation Assets Amount Charged To Expense Tangible Exploration And Evaluation Assets Amount Charged To Expense Cash Flows From (Used in) Increase (Decrease) in Derivative Financial Instruments Cash Flows From (Used in) Increase (Decrease) in Derivative Financial Instruments Cash flow from financing activities Comprehensive Income Including Remeasurement Of Interest In Joint Venture Comprehensive Income Including Remeasurement Of Interest In Joint Venture Proceeds From Joint Ventures and Associates From Sale, Capital Reduction, and Repayment of Long-term Loans Proceeds From Joint Ventures and Associates From Sale, Capital Reduction, and Repayment of Long-term Loans Property, Plant and Equipment Including Right-of-use Assets Property, Plant and Equipment Including Right-of-use Assets Interest And Other Income Interest And Other Income Cash flow from investing activities Other Outflows Of Cash, Classified As Investing Activities Other Outflows Of Cash, Classified As Investing Activities Other Inflows Of Cash, Classified As Investing Activities Other Inflows Of Cash, Classified As Investing Activities Net (Gains) on Sale and Revaluation of Non-current Assets and Businesses Net (Gains) on Sale and Revaluation of Non-current Assets and Businesses Increase/(decrease) in cash and cash equivalents Revision of Prior Period, Reclassification, Adjustment [Member] Revision of Prior Period, Reclassification, Adjustment Change In Non-controlling Interest Change In Non-controlling Interest Other Miscellaneous Reserves Other Miscellaneous Reserves Shares Held In Trust Shares Held In Trust Revenue And Other Income Revenue And Other Income Revenue And Other Income