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Operating Assets and Liabilities - Future minimum payments under our leases (Details) - DKK (kr) kr in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2022	Dec. 31, 2021
Disclosure of maturity analysis of operating lease payments [abstract]
Future minimum payments under our leases	kr 394	kr 663	kr 487
Office and laboratory space | DENMARK
Disclosure of maturity analysis of operating lease payments [abstract]
Future minimum payments under our leases	339
Estimated capital expenditures to fit out the space	128
Not later than one year [member]
Disclosure of maturity analysis of operating lease payments [abstract]
Future minimum payments under our leases	53	89	74
1 to 3 years
Disclosure of maturity analysis of operating lease payments [abstract]
Future minimum payments under our leases	85	167	109
More than 3 years but less than 5 years
Disclosure of maturity analysis of operating lease payments [abstract]
Future minimum payments under our leases	62	136	97
Later than five years [member]
Disclosure of maturity analysis of operating lease payments [abstract]
Future minimum payments under our leases	kr 194	kr 271	kr 207

X

- Definition

The amount of estimated capital expenditures to fit out the space.

+ References

No definition available.

+ Details

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- References

No definition available.

+ Details

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X

- Definition

The amount of undiscounted operating lease payments to be received. Operating lease is a lease that does not transfer substantially all the risks and rewards incidental to ownership of an underlying asset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 16
-IssueDate 2022-03-24
-Paragraph 97
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2022-en-r&anchor=para_97&doctype=Standard
-URIDate 2022-03-24

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