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Data Type:	xbrli:stringItemType
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The amount of revenue arising from the rendering of services in related party transactions. [Refer: Revenue; Total for all related parties [member]]

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 24
-IssueDate 2024-01-01
-Paragraph 21
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2024-en-r&anchor=para_21_c&doctype=Standard
-URIDate 2024-03-27

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Data Type:	xbrli:monetaryItemType
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The amount of services received in related party transactions. [Refer: Total for all related parties [member]]

Name:	ifrs-full_ServicesReceivedRelatedPartyTransactions
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
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Acquisition of fill-finish sites

No definition available.

Name:	nvo_AcquisitionOfFillFinishSites
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Data Type:	xbrli:monetaryItemType
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Dividends Paid By Entity, Related Party Transactions

No definition available.

Name:	nvo_DividendsPaidByEntityRelatedPartyTransactions
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Data Type:	xbrli:monetaryItemType
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Purchase Of Shares, Related Party Transactions

No definition available.

Name:	nvo_PurchaseOfSharesRelatedPartyTransactions
Namespace Prefix:	nvo_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

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Data Type:	na
Balance Type:
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Name:	dei_LegalEntityAxis=nvo_NovoHoldingsASMember
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Data Type:	na
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Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	ifrs-full_SignificantInvestmentsInAssociatesAxis=nvo_AltasciencesGroupMember
Namespace Prefix:
Data Type:	na
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