| Group [member] | Company [member] | ||
| Assets [abstract] | |||
| Non-current assets [abstract] | |||
| Property, plant and equipment | |||
| Investment properties | |||
| Biological assets | |||
| Right-of-use assets | |||
| Service concession assets | |||
| Intangible assets | |||
| Investments in subsidiaries | |||
| Investments in associates | |||
| Investments in joint ventures | |||
| Other investments | |||
| Trade and other non-current receivables | |||
| Contract assets | |||
| Deferred tax assets | |||
| Derivative financial assets | |||
| Other non-current assets | |||
| Total non-current assets | |||
| Current assets [abstract] | |||
| Inventories | |||
| Biological assets | |||
| Other investments | |||
| Current tax assets | |||
| Trade and other current receivables | |||
| Contract assets | |||
| Derivative financial assets | |||
| Cash and cash equivalents | |||
| Other current assets | |||
| Total current assets other than assets held for sale | |||
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners | |||
| Total current assets | |||
| Total assets | |||
| Equity and liabilities [abstract] | |||
| Equity [abstract] | |||
| Issued capital | |||
| Retained earnings | |||
| Treasury shares | |||
| Other reserves | |||
| Total equity attributable to owners | |||
| Equity - other components | |||
| Non-controlling interests | |||
| Total equity | |||
| Liabilities [abstract] | |||
| Non-current liabilities [abstract] | |||
| Service concession liabilities | |||
| Borrowings | |||
| Lease liabilities | |||
| Employee benefit liabilities | |||
| Provisions | |||
| Trade and other non-current payables | |||
| Contract liabilities | |||
| Deferred tax liabilities | |||
| Derivative financial liabilities | |||
| Other non-current liabilities | |||
| Total non-current liabilities | |||
| Current liabilities [abstract] | |||
| Borrowings | |||
| Lease liabilities | |||
| Employee benefit liabilities | |||
| Provisions | |||
| Current tax liabilities | |||
| Trade and other current payables | |||
| Contract liabilities | |||
| Derivative financial liabilities | |||
| Other current liabilities | |||
| Total current liabilities other than liabilities held for sale | |||
| Liabilities included in disposal group classified as held for sale | |||
| Total current liabilities | |||
| Total liabilities | |||
| Total equity and liabilities | |||