The discount rate applied to cash flow projections for a cash-generating unit (group of units). [Refer: Total for all cash-generating units [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 36
-IssueDate 2024-01-01
-Paragraph 134
-Subparagraph d
-Clause v
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2024-en-r&anchor=para_134_d_v&doctype=Standard
-URIDate 2024-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 36
-IssueDate 2024-01-01
-Paragraph 134
-Subparagraph e
-Clause v
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2024-en-r&anchor=para_134_e_v&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_DescriptionOfDiscountRatesAppliedToCashFlowProjections
Namespace Prefix:	ifrs-full_
Data Type:	dtr-2022:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The growth rate used to extrapolate cash flow projections beyond the period covered by the most recent budgets/forecasts for a cash-generating unit (group of units). [Refer: Total for all cash-generating units [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 36
-IssueDate 2024-01-01
-Paragraph 134
-Subparagraph d
-Clause iv
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2024-en-r&anchor=para_134_d_iv&doctype=Standard
-URIDate 2024-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 36
-IssueDate 2024-01-01
-Paragraph 134
-Subparagraph e
-Clause iv
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2024-en-r&anchor=para_134_e_iv&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections
Namespace Prefix:	ifrs-full_
Data Type:	dtr-2022:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

+ Details

Name:	ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of assets representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognised. [Refer: Total for all business combinations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 36
-IssueDate 2024-01-01
-Paragraph 134
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2024-en-r&anchor=para_134_a&doctype=Standard
-URIDate 2024-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 36
-IssueDate 2024-01-01
-Paragraph 135
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2024-en-r&anchor=para_135_a&doctype=Standard
-URIDate 2024-03-27

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 3
-IssueDate 2024-01-01
-Paragraph B67
-Subparagraph d
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2024-en-r&anchor=para_B67_d&doctype=Appendix&subtype=B
-URIDate 2024-03-27

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 54
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_54_c&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_Goodwill
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount recognised as a reduction of the carrying amount of an asset or cash-generating unit to its recoverable amount. [Refer: Carrying amount [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 36
-IssueDate 2024-01-01
-Paragraph 130
-Subparagraph d
-Clause ii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2024-en-r&anchor=para_130_d_ii&doctype=Standard
-URIDate 2024-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 36
-IssueDate 2024-01-01
-Paragraph 130
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2024-en-r&anchor=para_130_b&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_ImpairmentLoss
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of intangible assets and goodwill held by the entity. [Refer: Goodwill; Intangible assets other than goodwill]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 55
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_IntangibleAssetsAndGoodwill
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The higher of an asset’s (or cash-generating unit’s) fair value less costs of disposal and its value in use. [Refer: Total for all cash-generating units [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 36
-IssueDate 2024-01-01
-Paragraph 130
-Subparagraph e
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2024-en-r&anchor=para_130_e&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_RecoverableAmountOfAssetOrCashgeneratingUnit
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount represents the value of carrying amount.

+ References

No definition available.

+ Details

Name:	nvni_CarryingValueOfAmount
Namespace Prefix:	nvni_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of cash flow value.

+ References

No definition available.

+ Details

Name:	nvni_CashFlowValue
Namespace Prefix:	nvni_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	ifrs-full_RangeAxis=ifrs-full_BottomOfRangeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis=ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=nvni_DatahubMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=nvni_LeadloversMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=nvni_OnclickMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Intangible Assets, Net (Details) - BRL (R$) R$ in Thousands	12 Months Ended
Intangible Assets, Net (Details) - BRL (R$) R$ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Intangible Assets, Net [Line Items]
Percentage of growth rate in perpetuity	3.00%
Percentage of discount rates			14.30%
Impairment of goodwill			R$ 81,200
Goodwill	R$ 185,758	R$ 204,099
Carrying value amount			120,900
Recoverable amount		31,300	35,800
Cash flow value			3,600
Carrying value, written down	R$ 319,375	341,160	338,463
Bottom of Range [Member]
Intangible Assets, Net [Line Items]
Percentage of discount rates	10.50%
Top of Range [Member]
Intangible Assets, Net [Line Items]
Percentage of discount rates	20.00%
CGU [Member]
Intangible Assets, Net [Line Items]
Impairment of goodwill	R$ 18,300
CGU [Member] \| Bottom of Range [Member]
Intangible Assets, Net [Line Items]
Percentage of discount rates	12.54%
CGU [Member] \| Top of Range [Member]
Intangible Assets, Net [Line Items]
Percentage of discount rates	20.91%
Datahub [Member]
Intangible Assets, Net [Line Items]
Impairment of goodwill		11,400	86,900
Goodwill			1,800
Carrying value amount		R$ 42,700
Recoverable amount	R$ 17,800
Carrying value, written down	16,900
Datahub [Member] \| CGU [Member]
Intangible Assets, Net [Line Items]
Carrying value amount	34,700
Leadlovers [Member]
Intangible Assets, Net [Line Items]
Goodwill			R$ 85,100
Onclick [Member]
Intangible Assets, Net [Line Items]
Recoverable amount	41,700
Carrying value, written down	1,400
Onclick [Member] \| CGU [Member]
Intangible Assets, Net [Line Items]
Carrying value amount	R$ 43,100