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Capital Structure, Financial Risk and Related Items - RSU Activity (Details) | 12 Months Ended
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Dec. 31, 2021 kr / shares shares | Dec. 31, 2020 kr / shares shares | Dec. 31, 2019 kr / shares shares
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Cancelled | 23,293 | 72,138 | 15,374
Weighted average fair value of RSU granted | kr / shares | kr 2,236.44 | kr 1,927.83 | kr 1,511.70
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 | 477 | 589 |
Former Member Of Board Of Directors and Employees |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Cancelled | 22,816 | 43,125 | 15,374
RSUs |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Outstanding at beginning of period | 293,928 | 307,907 | 218,902
Granted | 186,215 | 46,522 | 116,742
Settled | (63,574) | (46,855) | (22,189)
Cancelled | (10,578) | (13,646) | (5,548)
Outstanding at end of period | 405,991 | 293,928 | 307,907
RSUs | Board of Directors |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Outstanding at beginning of period | 12,565 | 19,953 | 20,127
Granted | 3,297 | 2,929 | 3,708
Settled | (3,556) | (6,470) | (2,631)
Transferred | (688) | (2,822) | (1,251)
Cancelled | (653) | (1,025) |
Outstanding at end of period | 10,965 | 12,565 | 19,953
RSUs | Executive Management |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Outstanding at beginning of period | 66,182 | 72,865 | 66,152
Granted | 31,417 | 9,032 | 25,793
Settled | (14,089) | (12,253) | (19,080)
Transferred | 5,533 | (2,334) |
Cancelled |  | (1,128) |
Outstanding at end of period | 89,043 | 66,182 | 72,865
RSUs | Employees |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Outstanding at beginning of period | 197,374 | 208,859 | 130,046
Granted | 146,684 | 34,431 | 87,168
Settled | (35,962) | (22,196) |
Transferred | (14,810) | (22,762) | (8,355)
Cancelled | (255) | (958) |
Outstanding at end of period | 293,031 | 197,374 | 208,859
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 | 17,807 | 6,230 | 2,577
Granted | 4,817 | 130 | 73
Settled | (9,967) | (5,936) | (478)
Transferred | 9,965 | 27,918 | 9,606
Cancelled | (9,670) | (10,535) | (5,548)
Outstanding at end of period | 12,952 | 17,807 | 6,230

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