| 2010 | 2009 | |
| Available-for-sale instruments | ||
| Opening balance, January 1 | 37 | –101 |
| Gain/loss taken to other comprehensive income | 77 | 138 |
| Transferred to profit and loss | — | — |
| Closing balance, December 31 | 114 | 37 |
| Cash flow hedges | ||
| Opening balance, January 1 | –30 | 82 |
| Gain/loss taken to other comprehensive income | –147 | –30 |
| Transferred to profit and loss | 30 | –82 |
| Closing balance, December 31 | –147 | –30 |
| Exchange differences on translation of foreign operations | ||
| Opening balance, January 1 | 1,807 | 2,071 |
| Net investment hedge | 218 | –75 |
| Translation difference | –1,326 | –189 |
| Closing balance, December 31 | 699 | 1,807 |
| Income tax related to other comprehensive income | –30 | — |
| Other comprehensive income, net of tax | –1,178 | –238 |
Income taxes related to items of other comprehensive income were SEK 29m (0) for financial instruments for cash flow hedging and SEK –59m (0) for financial instruments for hedging of translation of foreign operations.