| Restricted equity | Non-restricted equity | ||||
| Mkr | Share capital | Statutory reserve | Fair value reserve | Retained earnings | Total equity |
| Opening balance, January 1, 2009 | 1,545 | 3,017 | –104 | 9,214 | 13,672 |
| Income for the period | — | — | — | 3,355 | 3,355 |
| Available for sale instruments | — | — | 138 | — | 138 |
| Change in revaluation fund | — | — | — | –2 | –2 |
| Cash flow hedges | — | — | –14 | — | –14 |
| Group contributions | — | — | — | 45 | 45 |
| Income tax relating to other comprehensive income | — | — | — | –12 | –12 |
| Other comprehensive income, net of tax | — | — | 124 | 31 | 155 |
| Total comprehensive income for the period | — | — | 124 | 3,386 | 3,510 |
| Share-based payment | — | — | — | 5 | 5 |
| Sale of shares | — | — | — | 69 | 69 |
| Total transactions with equity holders | — | — | — | 74 | 74 |
| Closing balance, December 31, 2009 | 1,545 | 3,017 | 20 | 12,674 | 17,256 |
| Income for the period | — | — | — | 3,207 | 3,207 |
| Available for sale instruments | — | — | 77 | — | 77 |
| Cash flow hedges | — | — | –7 | — | –7 |
| Group contributions | — | — | — | 198 | 198 |
| Income tax relating to other comprehensive income | — | — | 7 | –52 | –45 |
| Other comprehensive income, net of tax | — | — | 77 | 146 | 223 |
| Total comprehensive income for the period | — | — | 77 | 3,353 | 3,430 |
| Share-based payment | — | — | — | 85 | 85 |
| Sale of shares | — | — | — | 18 | 18 |
| Dividend SEK 4.00 per share | — | — | — | –1,138 | –1,138 |
| Total transactions with equity holders | — | — | — | –1,035 | –1,035 |
| Closing balance, December 31, 2010 | 1,545 | 3,017 | 97 | 14,992 | 19,651 |