| Note | 2024 | 2025 | |
| € million | € million | ||
| Income after income taxes | (272) | (643) | |
| Remeasurements of the net defined benefit liability for post-employment benefit plans |
19 | 157 | 194 |
| Income taxes | 11 | (5) | (41) |
| Other comprehensive income from remeasurements of the net defined benefit liability for post-employment benefit plans |
152 | 153 | |
| Changes in fair values of equity instruments | 24 | (8) | (1) |
| Income taxes | 11 | 3 | – |
| Other comprehensive income from equity instruments | (5) | (1) | |
| Other comprehensive income that will not be reclassified subsequently to profit or loss | 147 | 152 | |
| Income from derivative financial instruments (cash flow hedge reserve) | 24 | 7 | (11) |
| Reclassified to profit or loss | – | (17) | |
| Income taxes | 11 | (2) | 4 |
| Other comprehensive income from cash flow hedges | 5 | (24) | |
| Exchange differences of foreign operations | 184 | (333) | |
| Other comprehensive income from exchange differences | 184 | (333) | |
| Other comprehensive income that may be reclassified subsequently to profit or loss |
189 | (357) | |
| Total other comprehensive income | 336 | (205) | |
| attributable to noncontrolling interest | – | (3) | |
| attributable to Covestro AG shareholders | 336 | (202) | |
| Total comprehensive income | 64 | (848) | |
| attributable to noncontrolling interest | (6) | (2) | |
| attributable to Covestro AG shareholders | 70 | (846) | |