Share Capital And Capital Reserves [Member] Share Capital And Capital Reserves Fixed Assets Fixed Assets Fixed Assets Transactions Involving NonControlling Interests Net Of Tax Transactions Involving NonControlling Interests Net Of Tax American Depositary Share [Member] American Depositary Share Share Of Equity Accounted Entities Changes In Equity Net Of Tax Share Of Equity Accounted Entities Changes In Equity Net Of Tax Payments of lease liabilities, classified as financing activities Issue of perpetual hybrid bonds Issue of perpetual hybrid bonds Income tax relating to components of other comprehensive income that will be reclassified to profit or loss Repayments of bonds, notes and debentures Outflows of cash from investing activities Hybrid Bonds Relating To NonControlling Interests [Member] Hybrid Bonds Relating To NonControlling Interests Payments On Perpetual Hybrid Bonds Payments On Perpetual Hybrid Bonds Payments On Perpetual Hybrid Bonds Tax On Issue Of Perpetual Hybrid Bonds Tax On Issue Of Perpetual Hybrid Bonds Dividends paid to equity holders of parent, classified as financing activities Fair Value Reserves [Member] Fair Value Reserves Adjustments For Net Operating Charge For Pensions And Other Postretirement Benefits Less Contributions And Benefit Payments For Unfunded Plans Adjustments For Net Operating Charge For Pensions And Other Postretirement Benefits Less Contributions And Benefit Payments For Unfunded Plans Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss Cash flows from (used in) operating activities Other Interest Relating To NonControlling Interests [Member] Other Interest Relating To NonControlling Interests Adjustments For Exploration Expenditure Written Off Adjustments For Exploration Expenditure Written Off Interest paid, classified as operating activities Cash flows from (used in) investing activities Other cash payments to acquire interests in joint ventures, classified as investing activities Income taxes paid (refund), classified as operating activities Reduction of issued capital Increase (decrease) in cash and cash equivalents after effect of exchange rate changes Repayments of non-current borrowings Dividends paid to non-controlling interests, classified as financing activities Assets (liabilities) Purchase of property, plant and equipment, intangible assets other than goodwill, investment property and other non-current assets Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities Cash Flow Hedges Transferred To The Balance Sheet Net Of Tax Cash Flow Hedges Transferred To The Balance Sheet Net Of Tax Adjustments for interest income Purchase of interests in associates