Group income statement [axis] Underlying items [member] Non-underlying items [member] Total [member] Profit or loss [table] Profit or loss [line items] Revenue including share of joint ventures and associates Share of revenue of joint ventures and associates Group operating profit/(loss) Share of results of joint ventures and associates excluding gain on disposals of interests in investments Share of gain on disposals of interests in investments Group statement of comprehensive income [axis] Group [member] Share of joint ventures and associates [member] Statement of comprehensive income [table] Statement of comprehensive income [line items] Fair value revaluations – PPP financial assets Recycling of revaluation reserves to the income statement on disposal Share of joint ventures and associates reserves [member] Joint ventures and associates dividends Reserve transfer relating to joint venture and associate Special reserves Tax credit relating to share-based payments PPP financial assets Cash and cash equivalents – infrastructure investments Cash and cash equivalent – other Share of joint ventures’ and associates’ reserves Dividends received from joint ventures and associates – infrastructure investments classified as investing activities Dividends received from joint ventures and associates – other classified as investing activities Dividends received from other investments classified as investing activities Interest received – infrastructure investments – joint ventures classified as investing activities Interest received – infrastructure investments – subsidiaries classified as investing activities Purchases of intangible assets – infrastructure investments classified as investing activities Purchases of intangible assets – other classified as investing activities Return of equity from joint ventures and associates classified as investing activities PPP financial assets cash expenditure classified as investing activities PPP financial assets cash receipts classified as investing activities Disposal of investments in joint ventures – infrastructure investments classified as investing activities Disposal of investments in joint ventures – other classified as investing activities Disposal of property, plant and equipment – other classified as investing activities Purchase of ordinary shares classified as financing activities Purchase of treasury shares classified as financing activities Proceeds from new loans relating to infrastructure investments assets classified as financing activities Proceeds from new loans relating to other classified as financing activities Repayments for loans – infrastructure investments classified as financing activities Interest paid – infrastructure investments classified as financing activities Interest paid - other classified as financing activities Description of accounting policy for pre contract bid costs and recoveries Description of accounting policy for profit from operations Description of accounting policy for non underlying items Description of accounting policy for financial liabilities and equity instruments Description of accounting policy for PPP concession companies Disclosure of investment income Disclosure of non-underlying items Disclosure of investments Disclosure of PPP financial assets Disclosure of contract balances Disclosure of retirement benefit assets and liabilties Disclosure of acquisition and disposals Disclosure of principal subsidiaries, joint ventures and associates Disclosure of audit exemptions taken for subsidiaries