In CHF million | | Notes | Share capital | Share premium | Treasury shares | Foreign currency trans- lation differ- ences | Gains/ losses recog- nised directly in equity | Retained earnings | Total share- holders' equity | Minority interest | Total equity | |||||||||
| Balance as at 1 January | 1 554 | 2 467 | –42 | –11 | 1 185 | 2 502 | 7 655 | 298 | 7 953 | |||||||||||
| Changes in foreign currency translation differences | – | – | – | 58 | – | – | 58 | 10 | 68 | |||||||||||
| Changes in gains/losses recognised directly in equity | – | – | – | – | –880 | – | –880 | –5 | –885 | |||||||||||
| Disposals of subsidiaries | – | – | – | 14 | 0 | – | 14 | 1 | 15 | |||||||||||
| Net profit | – | – | – | – | – | 933 | 933 | 21 | 954 | |||||||||||
| Total recognised income and expense for the period | – | – | – | 72 | –880 | 933 | 125 | 27 | 152 | |||||||||||
| Reduction in par value | 27 | –169 | 2 | – | – | – | – | –167 | – | –167 | ||||||||||
| Conversion of convertible debt | 27 | 0 | 0 | – | – | – | – | 0 | – | 0 | ||||||||||
| Options on own shares | – | –5 | – | – | – | – | –5 | – | –5 | |||||||||||
| Obligation to purchase own shares | – | –15 | – | – | – | – | –15 | – | –15 | |||||||||||
| Equity-settled share-based payments | – | 5 | – | – | – | – | 5 | – | 5 | |||||||||||
| Purchases of treasury shares | – | – | –175 | – | – | – | –175 | – | –175 | |||||||||||
| Sales of treasury shares | – | 5 | 151 | – | – | – | 156 | – | 156 | |||||||||||
| Acquisitions of minority interest | – | – | – | – | – | – | – | –45 | –45 | |||||||||||
| Capital contributions from minority interest | – | – | – | – | – | – | – | – | – | |||||||||||
| Dividends | – | – | – | – | – | – | – | –8 | –8 | |||||||||||
| Balance as at 31 December | 1 385 | 2 459 | –66 | 61 | 305 | 3 435 | 7 579 | 272 | 7 851 | |||||||||||