| Mar. 31, 2024 | Mar. 31, 2025 | Dec. 31, 2024 | |
| € million | € million | € million | |
| Noncurrent assets | |||
| Goodwill | 712 | 711 | 719 |
| Other intangible assets | 505 | 456 | 471 |
| Property, plant and equipment | 5,787 | 5,789 | 5,898 |
| Investments accounted for using the equity method | 188 | 260 | 269 |
| Other financial assets | 108 | 106 | 107 |
| Other receivables | 149 | 143 | 125 |
| Deferred taxes | 311 | 304 | 276 |
| 7,760 | 7,769 | 7,865 | |
| Current assets | |||
| Inventories | 2,650 | 2,925 | 2,851 |
| Trade accounts receivable | 2,000 | 1,967 | 1,749 |
| Other financial assets | 61 | 47 | 48 |
| Other receivables | 468 | 506 | 517 |
| Claims for income tax refunds | 97 | 97 | 92 |
| Cash and cash equivalents | 684 | 742 | 509 |
| Assets held for sale | 9 | – | – |
| 5,969 | 6,284 | 5,766 | |
| Total assets | 13,729 | 14,053 | 13,631 |
| Equity | |||
| Capital stock of Covestro AG | 189 | 189 | 189 |
| Capital reserves of Covestro AG | 3,740 | 3,740 | 3,740 |
| Retained earnings incl. total income | 2,300 | 2,053 | 2,171 |
| Accumulated other comprehensive income | 390 | 426 | 558 |
| Equity attributable to Covestro AG shareholders | 6,619 | 6,408 | 6,658 |
| Equity attributable to noncontrolling interest | 26 | 19 | 21 |
| 6,645 | 6,427 | 6,679 | |
| Noncurrent liabilities | |||
| Provisions for pensions and other post-employment benefits | 421 | 315 | 387 |
| Other provisions | 235 | 291 | 253 |
| Financial liabilities | 2,753 | 1,958 | 2,444 |
| Other financial liabilities | 19 | 12 | 12 |
| Income tax liabilities | 36 | 49 | 49 |
| Other nonfinancial liabilities | 22 | 26 | 27 |
| Deferred taxes | 253 | 214 | 204 |
| 3,739 | 2,865 | 3,376 | |
| Current liabilities | |||
| Other provisions | 353 | 416 | 348 |
| Financial liabilities | 686 | 1,748 | 712 |
| Trade accounts payable | 1,942 | 2,231 | 2,101 |
| Other financial liabilities | 104 | 102 | 133 |
| Income tax liabilities | 63 | 71 | 61 |
| Other nonfinancial liabilities | 197 | 193 | 221 |
| 3,345 | 4,761 | 3,576 | |
| Total equity and liabilities | 13,729 | 14,053 | 13,631 |