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The amount of dividends recognised as distributions to owners.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2027-01-01
-Name IFRS
-Number 19
-IssueDate 2025-01-01
-Paragraph B12
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_B12&doctype=Appendix&subtype=B
-URIDate 2025-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2027-01-01
-Name IFRS
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-URIDate 2025-03-27

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2027-01-01
-Name IAS
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Balance Type:	debit
Period Type:	duration

The exercise price of outstanding share options.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2025-01-01
-Paragraph 45
-Subparagraph d
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The percentage of an expected dividend used to calculate the fair value of share options granted.

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-Name IFRS
-Number 2
-IssueDate 2025-01-01
-Paragraph 47
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The amount of an expected dividend used to calculate the fair value of share options granted.

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The number of shares issued by the entity, for which full payment has been received.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2027-01-01
-Name IFRS
-Number 19
-IssueDate 2025-01-01
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2027-01-01
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-URIDate 2025-03-27

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Period Type:	instant

The percentage of voting equity interests acquired in a business combination. [Refer: Total for all business combinations [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 3
-IssueDate 2025-01-01
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-URIDate 2025-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2027-01-01
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-URIDate 2025-03-27

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-Note Effective 2027-01-01
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-URIDate 2025-03-27

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Period Type:	instant

The number of shares reserved for issue under options and contracts for the sale of shares.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2027-01-01
-Name IFRS
-Number 19
-IssueDate 2025-01-01
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-URIDate 2025-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2027-01-01
-Name IFRS
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-URIDate 2025-03-27

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-URIDate 2025-03-27

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Data Type:	xbrli:sharesItemType
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Period Type:	instant

Acquire share capital percentage.

No definition available.

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Namespace Prefix:	nvniw_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	instant

Adjusted dividend net income.

No definition available.

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Period Type:	instant

Allocated net income of percentage.

No definition available.

Name:	nvniw_AllocatedNetIncomeOfPercentage
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Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	instant

Capital extinguishing debt per share.

No definition available.

Name:	nvniw_CapitalExtinguishingDebtPerShare
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Data Type:	dtr:perShareItemType
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Equity and divestitures description.

No definition available.

Name:	nvniw_EquityAndDivestituresDescription
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Exchange ratio.

No definition available.

Name:	nvniw_ExchangeRatio
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Data Type:	xbrli:stringItemType
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Period Type:	duration

Exchange the remaining warrants.

No definition available.

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Data Type:	xbrli:sharesItemType
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Period Type:	instant

Exercise warrants shares.

No definition available.

Name:	nvniw_ExerciseWarrantsShares
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Balance Type:	na
Period Type:	duration

Market trading price.

No definition available.

Name:	nvniw_MarketTradingPrice
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Data Type:	dtr:perShareItemType
Balance Type:	na
Period Type:	duration

Non controlling interests percentage.

No definition available.

Name:	nvniw_NonControllingInterestsPercentage
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Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	instant

The number of shares issued.

No definition available.

Name:	nvniw_OrdinarySharesIssued
Namespace Prefix:	nvniw_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Ownership interest percentage.

No definition available.

Name:	nvniw_OwnershipInterestsPercentage
Namespace Prefix:	nvniw_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	instant

Purchase of ordinary share.

No definition available.

Name:	nvniw_PurchaseOfOrdinaryShare
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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

Reselling percentage.

No definition available.

Name:	nvniw_ResellingPercentage
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Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	instant

Reserve of capital stock percentage.

No definition available.

Name:	nvniw_ReserveOfCapitalStockPercentage
Namespace Prefix:	nvniw_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	instant

Share capital percentage.

No definition available.

Name:	nvniw_ShareCapitalPercentage
Namespace Prefix:	nvniw_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	instant

Suspensin days.

No definition available.

Name:	nvniw_SuspensinDays
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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Warrant outstanding.

No definition available.

Name:	nvniw_WarrantOutstanding
Namespace Prefix:	nvniw_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

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Balance Type:
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Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=nvniw_BrazilianCorporateLawMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	nvniw_SaleOfStockAxis=nvniw_PublicWarrantsMember
Namespace Prefix:
Data Type:	na
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