| Assets | — | — |
| Non-current assets | — | — |
| Property, plant and equipment, net | 8,381.16a | 7,637.69a |
| Intangible assets, net | 1,022.11a | 996.05a |
| Investments in non-consolidated companies | 468.52a | 517.27a |
| Other investments | 22.98a | 210.93a |
| Deferred tax assets | 1,194.4a | 1,713.39a |
| Receivables, net | 961.3a | 1,073.25a |
| Total non-current assets | 12,050.46a | 12,148.56a |
| Current assets | — | — |
| Receivables, net | 772.73a | 686.39a |
| Current income tax assets | 129.71a | 486.47a |
| Derivative financial instruments | 4.48a | 15.41a |
| Inventories, net | 4,750.51a | 4,948.38a |
| Trade receivables, net | 1,562.06a | 2,065.5a |
| Other investments | 2,160.05a | 1,975.65a |
| Cash and cash equivalents | 1,691.26a | 1,846.01a |
| Assets classified as held for sale | 7.29a | 6.74a |
| Total current assets | 11,078.09a | 12,030.54a |
| Total assets | 23,128.55a | 24,179.1a |
| Equity | — | — |
| Capital and reserves attributable to the owners of the parent | 11,968.19a | 12,418.6a |
| Non-controlling interest | 4,163.38a | 4,393.26a |
| Total equity | 16,131.57a | 16,811.86a |
| Liabilities | — | — |
| Non-current liabilities | — | — |
| Provisions | 552.6a | 839.92a |
| Deferred tax liabilities | 88.71a | 170.82a |
| Non-current tax liabilities | 21.44a | 0a |
| Other liabilities | 765.96a | 1,149a |
| Trade payables | 5.4a | 12.03a |
| Lease liabilities | 163.67a | 188.91a |
| Borrowings | 1,560.05a | 1,205.96a |
| Total non-current liabilities | 3,157.82a | 3,566.64a |
| Current liabilities | — | — |
| Provision for ongoing litigation related to the acquisition of a participation in Usiminas | 410.2a | 0a |
| Current income tax liabilities | 106.88a | 137.39a |
| Other liabilities | 629.68a | 429.71a |
| Trade payables | 1,925.53a | 2,232.65a |
| Derivative financial instruments | 50.34a | 8.22a |
| Lease liabilities | 46.46a | 52.17a |
| Borrowings | 670.07a | 940.45a |
| Total current liabilities | 3,839.16a | 3,800.6a |
| Total liabilities | 6,996.98a | 7,367.25a |
| Total equity and liabilities | 23,128.55a | 24,179.1a |