| Assets | — | — |
| Non-current assets | — | — |
| Property, plant and equipment | 31,408,807a | 28,505,180a |
| Investment properties | 710,690a | 579,786a |
| Intangible assets | 10,079,513a | 9,410,685a |
| Service concession assets | 881,894a | 0a |
| Right-of-use assets | 1,071,551a | 445,676a |
| Post-employment benefit assets | 31,124a | 64,314a |
| Investment in subsidiaries | 0a | 0a |
| Investments accounted for using the equity method | 2,470,253a | 1,956,231a |
| Investments | 305,647a | 272,460a |
| Derivative financial instruments | 16,353a | 2,879a |
| Operating financial assets | 404,484a | 0a |
| Deferred tax assets | 42,669a | 0a |
| Receivables, deposits and prepayments | 3,052,684a | 2,839,195a |
| Amounts owing by subsidiaries | 0a | 0a |
| Current assets | — | — |
| Inventories | 988,480a | 593,155a |
| Investments | 956,008a | 1,236,200a |
| Receivables, deposits and prepayments | 5,062,259a | 4,182,167a |
| Derivative financial instruments | 122,256a | 18,824a |
| Operating financial assets | 234,730a | 0a |
| Amounts owing by immediate holding company and ultimate holding company | 7a | 5a |
| Amounts owing by subsidiaries | 0a | 0a |
| Amounts owing by fellow subsidiaries | 27,410a | 25,824a |
| Cash and bank balances | 8,889,949a | 8,999,425a |
| Total assets | 66,756,768a | 59,132,006a |
| Equity and liabilities | — | — |
| Capital and reserves | — | — |
| Share capital | 7,091,870a | 7,038,587a |
| Reserves | 12,962,192a | 9,733,170a |
| Equity attributable to owners of the parent | 20,054,062a | 16,771,757a |
| Non-controlling interests | -140,833a | -370,886a |
| Total equity | 19,913,229a | 16,400,871a |
| Liabilities | — | — |
| Non-current liabilities | — | — |
| Deferred taxation | 3,385,650a | 3,340,624a |
| Borrowings | 30,378,822a | 27,482,356a |
| Lease liabilities | 395,206a | 292,556a |
| Service concession obligations | 559,198a | 0a |
| Provision for liabilities and charges | 27,418a | 22,483a |
| Post-employment benefit obligations | 68,715a | 17,141a |
| Grants and contributions | 721,874a | 699,024a |
| Derivative financial instruments | 1,198a | 9,654a |
| Payables | 2,336,084a | 1,839,301a |
| Current liabilities | — | — |
| Payables and accrued expenses | 5,100,550a | 4,328,611a |
| Derivative financial instruments | 20,016a | 110,828a |
| Provision for liabilities and charges | 10,338a | 10,378a |
| Post-employment benefit obligations | 14,647a | 707a |
| Amounts owing to immediate holding company and ultimate holding company | 503a | 1,083a |
| Amounts owing to subsidiaries | 0a | 0a |
| Amounts owing to fellow subsidiaries | 121,555a | 86,354a |
| Taxation | 637,650a | 379,038a |
| Borrowings | 2,009,575a | 4,001,945a |
| Lease liabilities | 669,368a | 109,052a |
| Service concession obligations | 385,172a | 0a |
| Total liabilities | 46,843,539a | 42,731,135a |
| Total equity and liabilities | 66,756,768a | 59,132,006a |