For details see Note (34) “Equity”.
| € million | 
 | Equity capital | 
 | Capital reserves | 
 | Retained earnings | 
 | Gains/losses recognized in equity | 
 | Equity attributable to | 
 | Non-controlling interests | 
 | Total equity | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan. 1, 2020 | 
 | 565 | 
 | 3,814 | 
 | 11,483 | 
 | 1,980 | 
 | 17,841 | 
 | 73 | 
 | 17,914 | 
| Profit after tax | 
 | – | 
 | – | 
 | 1,987 | 
 | – | 
 | 1,987 | 
 | 7 | 
 | 1,994 | 
| Gains/losses recognized in equity | 
 | – | 
 | – | 
 | -357 | 
 | -1,790 | 
 | -2,147 | 
 | -2 | 
 | -2,149 | 
| Comprehensive income | 
 | – | 
 | – | 
 | 1,631 | 
 | -1,790 | 
 | -160 | 
 | 5 | 
 | -155 | 
| Dividend payments | 
 | – | 
 | – | 
 | -168 | 
 | – | 
 | -168 | 
 | -7 | 
 | -175 | 
| Profit transfer to/from E. Merck KG, Darmstadt, Germany, including changes in reserves | 
 | – | 
 | – | 
 | -567 | 
 | – | 
 | -567 | 
 | – | 
 | -567 | 
| Transactions with no change of control | 
 | – | 
 | – | 
 | -1 | 
 | – | 
 | -1 | 
 | – | 
 | -1 | 
| Change in scope of consolidation/Other | 
 | – | 
 | – | 
 | – | 
 | – | 
 | – | 
 | – | 
 | – | 
| Dec. 31, 2020 | 
 | 565 | 
 | 3,814 | 
 | 12,378 | 
 | 189 | 
 | 16,946 | 
 | 71 | 
 | 17,017 | 
| € million | 
 | Equity capital | 
 | Capital reserves | 
 | Retained earnings | 
 | Gains/losses recognized in equity | 
 | Equity attributable to | 
 | Non-controlling interests | 
 | Total equity | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan. 1, 2021 | 
 | 565 | 
 | 3,814 | 
 | 12,378 | 
 | 189 | 
 | 16,946 | 
 | 71 | 
 | 17,017 | 
| Profit after tax | 
 | – | 
 | – | 
 | 3,055 | 
 | – | 
 | 3,055 | 
 | 10 | 
 | 3,065 | 
| Gains/losses recognized in equity | 
 | – | 
 | – | 
 | 599 | 
 | 1,635 | 
 | 2,234 | 
 | 5 | 
 | 2,239 | 
| Comprehensive income | 
 | – | 
 | – | 
 | 3,653 | 
 | 1,635 | 
 | 5,289 | 
 | 15 | 
 | 5,304 | 
| Dividend payments | 
 | – | 
 | – | 
 | -181 | 
 | – | 
 | -181 | 
 | -8 | 
 | -189 | 
| Profit transfer to/from E. Merck KG, Darmstadt, Germany, including changes in reserves | 
 | – | 
 | – | 
 | -716 | 
 | – | 
 | -716 | 
 | – | 
 | -716 | 
| Transactions with no change of control | 
 | – | 
 | – | 
 | – | 
 | – | 
 | – | 
 | – | 
 | – | 
| Change in scope of consolidation/Other | 
 | – | 
 | – | 
 | – | 
 | – | 
 | – | 
 | – | 
 | – | 
| Dec. 31, 2021 | 
 | 565 | 
 | 3,814 | 
 | 15,134 | 
 | 1,824 | 
 | 21,338 | 
 | 78 | 
 | 21,416 |