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Capital Structure, Financial Risk and Related Items - RSU Activity (Details) | 12 Months Ended
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Dec. 31, 2022 kr / shares shares | Dec. 31, 2021 kr / shares shares | Dec. 31, 2020 kr / shares shares
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Cancelled | 46,324 | 23,293 | 72,138
Weighted average fair value of RSU granted | kr / shares | kr 2,250.18 | kr 2,236.44 | kr 1,927.83
Executive Management |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Cancelled |  |  | 28,424
Employees |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Cancelled | 13,670 | 477 | 589
Former Member Of Board Of Directors and Employees |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Cancelled | 32,654 | 22,816 | 43,125
RSUs |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Outstanding at beginning of period | 405,991 | 293,928 | 307,907
Granted | 272,131 | 186,215 | 46,522
Settled | (101,377) | (63,574) | (46,855)
Cancelled | (28,607) | (10,578) | (13,646)
Outstanding at end of period | 548,138 | 405,991 | 293,928
RSUs | Board of Directors |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Outstanding at beginning of period | 10,965 | 12,565 | 19,953
Granted | 4,295 | 3,297 | 2,929
Settled | (3,420) | (3,556) | (6,470)
Transferred | (2,368) | (688) | (2,822)
Cancelled | (653) | (653) | (1,025)
Outstanding at end of period | 8,819 | 10,965 | 12,565
RSUs | Executive Management |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Outstanding at beginning of period | 89,043 | 66,182 | 72,865
Granted | 40,453 | 31,417 | 9,032
Settled | (17,165) | (14,089) | (12,253)
Transferred |  | 5,533 | (2,334)
Cancelled |  |  | (1,128)
Outstanding at end of period | 112,331 | 89,043 | 66,182
RSUs | Employees |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Outstanding at beginning of period | 293,031 | 197,374 | 208,859
Granted | 221,000 | 146,684 | 34,431
Settled | (67,945) | (35,962) | (22,196)
Transferred | (13,749) | (14,810) | (22,762)
Cancelled | (9,195) | (255) | (958)
Outstanding at end of period | 423,142 | 293,031 | 197,374
RSUs | Former Member Of Board Of Directors and Employees |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Outstanding at beginning of period | 12,952 | 17,807 | 6,230
Granted | 6,383 | 4,817 | 130
Settled | (12,847) | (9,967) | (5,936)
Transferred | 16,117 | 9,965 | 27,918
Cancelled | (18,759) | (9,670) | (10,535)
Outstanding at end of period | 3,846 | 12,952 | 17,807

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