| Group [member] | Company [member] | ||
| Statement of comprehensive income [abstract] | |||
| Profit (loss) | |||
| Other comprehensive income/(expense), net of tax [abstract] | |||
| Components of other comprehensive income that will not be reclassified to profit or loss, net of tax [abstract] | |||
| Other comprehensive income, net of tax, gains (losses) on revaluation | |||
| Remeasurement of defined benefit liability | |||
| Other comprehensive income, net of tax, gains (losses) on other items | |||
| Share of other comprehensive income of associates and joint ventures accounted for using equity method that will not be reclassified to profit or loss, net of tax | |||
| Total other comprehensive income that will not be reclassified to profit or loss, net of tax | |||
| Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract] | |||
| Cash flow hedges [abstract] | |||
| Gains (losses) on cash flow hedges, net of tax | |||
| Reclassification adjustments on cash flow hedges, net of tax | |||
| Other comprehensive income, net of tax, cash flow hedges | |||
| Hedges of net investment in foreign operations [abstract] | |||
| Gains (losses) on hedges of net investments in foreign operations, net of tax | |||
| Reclassification adjustments on hedges of net investments in foreign operations, net of tax | |||
| Other comprehensive income, net of tax, hedges of net investments in foreign operations | |||
| Financial assets measured at fair value through other comprehensive income [abstract] | |||
| Gains (losses) on financial assets measured at fair value through other comprehensive income, net of tax | |||
| Reclassification adjustments on financial assets measured at fair value through other comprehensive income, net of tax | |||
| Amounts removed from equity and adjusted against fair value of financial assets on reclassification out of fair value through other comprehensive income measurement category, net of tax | |||
| Other comprehensive income, net of tax, financial assets measured at fair value through other comprehensive income | |||
| Exchange differences on translation [abstract] | |||
| Gains (losses) on exchange differences on translation, net of tax | |||
| Reclassification adjustments on exchange differences on translation, net of tax | |||
| Other comprehensive income, net of tax, exchange differences on translation | |||
| Share of other comprehensive income of associates and joint ventures accounted for using equity method that will be reclassified to profit or loss, net of tax | |||
| Others comprehensive income, net of tax, gains (losses) on other items | |||
| Total other comprehensive income that will be reclassified to profit or loss, net of tax | |||
| Total other comprehensive income | |||
| Total comprehensive income | |||
| Comprehensive income attributable to [abstract] | |||
| Comprehensive income, attributable to owners of parent | |||
| Comprehensive income, attributable to non-controlling interests | |||
| Total comprehensive income | |||