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Other Disclosures - Severance Payments (Details) - Executive Management - DKK (kr) kr in Millions | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Shareholdings By Board Of Directors And Executive Management [Line items] |  |  |
Employee notice period | 1 year |  |
Total impact on financial position on termination of services | kr 145 | kr 105 |
Bottom of range [member] |  |  |
Shareholdings By Board Of Directors And Executive Management [Line items] |  |  |
Number of period, termination severance payment | 1 year |  |
Top of range [member] |  |  |
Shareholdings By Board Of Directors And Executive Management [Line items] |  |  |
Number of period, termination severance payment | 2 years |  |
Employee notice period | 2 years |  |
Termination compensation period due to change in control | 2 years |  |
Total impact on financial position on termination of services | kr 72 | kr 52 | kr 46

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