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Results for the Year - AbbVie Collaboration Agreement (Details) kr in Millions, $ in Millions |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 10, 2020 DKK (kr) item | Jun. 10, 2020 USD ($) item | Jul. 31, 2020 USD ($) | Dec. 31, 2021 DKK (kr) | Dec. 31, 2020 DKK (kr) | Dec. 31, 2019 DKK (kr)
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |  |  |
Revenue |  |  |  | kr 8,482 | kr 10,111 | kr 5,366
License fees |  |  |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |  |  |
Revenue |  |  |  |  | 4,588 |
AbbVie |  |  |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |  |  |
Upfront payment | $ |  | $ 750 | $ 750 |  |  |
Revenue |  |  |  | 245 | 4,398 |
Number of performance obligations | item | 4 | 4 |  |  |  |
Contract transaction price | kr 4,911 | $ 750 |  |  |  |
Number of delivery license programs | item | 3 | 3 |  |  |  |
Revenue from performance obligations satisfied or partially satisfied in previous periods |  |  |  | kr 0 | kr 0 |
Performance obligation Revenue recognition period | 7 years | 7 years |  | 7 years |  |
AbbVie | Performance obligations satisfied at point in time |  |  |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |  |  |
Contract transaction price | kr 4,398 | $ 672 |  |  |  |
AbbVie | Performance obligations satisfied over time |  |  |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |  |  |
Contract transaction price | kr 513 | $ 78 |  |  |  |

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