XML 237 R36.htm IDEA: XBRL DOCUMENT v3.22.0.1

Operating Assets and Liabilities - Provisions (Details) - DKK (kr) kr in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Operating Assets and Liabilities
Provisions at beginning of period	kr 4	kr 2
Additions during the year	9	2
Provisions at end of period	13	4
Non-current provisions	13	4
Provisions at end of period	kr 13	kr 4

X

- Definition

The amount of increase in provisions.

+ References

No definition available.

+ Details

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Namespace Prefix:	gmab_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- References

No definition available.

+ Details

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Namespace Prefix:	gmab_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The amount of non-current provisions, including provisions for employee benefits. [Refer: Provisions]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2021-01-01
-Paragraph 54
-Subparagraph l
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_l&doctype=Standard
-URIDate 2021-03-24

+ Details

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Balance Type:	credit
Period Type:	instant

X

- Definition

The amount of liabilities of uncertain timing or amount, including provisions for employee benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2021-01-01
-Paragraph 54
-Subparagraph l
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_l&doctype=Standard
-URIDate 2021-03-24

+ Details

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Period Type:	instant