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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
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The amount of revenue arising from the rendering of services in related party transactions. [Refer: Revenue; Related parties [member]]

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 24
-IssueDate 2023-01-01
-Paragraph 21
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2023-en-r&anchor=para_21_c&doctype=Standard
-URIDate 2023-03-23

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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

The amount of services received in related party transactions. [Refer: Related parties [member]]

Name:	ifrs-full_ServicesReceivedRelatedPartyTransactions
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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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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Dividends Received By Entity, Related Party Transactions

No definition available.

Name:	nvo_DividendsReceivedByEntityRelatedPartyTransactions
Namespace Prefix:	nvo_
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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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

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Namespace Prefix:
Data Type:	na
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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=ifrs-full_RelatedPartiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	nvo_RelatedParty1Axis=nvo_AltascienceCompanyMember
Namespace Prefix:
Data Type:	na
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