XML 82 R63.htm IDEA: XBRL DOCUMENT v3.25.2

Basis of measurement - Income tax (Details) R$ in Thousands	12 Months Ended
	Dec. 31, 2024 BRL (R$)
Income Tax
Applicable tax rate	34.00%
Amount of unrecognized tax losses or tax credits	R$ 0
Companies under the deemed income system
Income Tax
Percentage of surcharge applied to income tax taxable income in excess of R$ 240	10.00%
Applicable tax rate	15.00%
Percentage of surcharge applied to social contribution	9.00%
Percentage of gross revenue	32.00%
Companies under the taxable income system
Income Tax
Percentage of surcharge applied to income tax taxable income in excess of R$ 240	10.00%
Applicable tax rate	15.00%
Percentage of surcharge applied to social contribution	9.00%
Maximum taxable income tax loss carry forward and negative basis of social contribution (in percent)	30.00%

X

- Definition

The amount of unrecognized tax losses or tax credits.

+ References

No definition available.

+ Details

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Namespace Prefix:	ambi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- 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 tables.

+ References

No definition available.

+ Details

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

X

- Definition

The percentage of maximum taxable income for tax loss carry forward and negative basis of social contribution.

+ References

No definition available.

+ Details

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Namespace Prefix:	ambi_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The percentage of gross revenue.

+ References

No definition available.

+ Details

Name:	ambi_PercentageOfGrossRevenue
Namespace Prefix:	ambi_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The applicable surcharge rate on income tax.

+ References

No definition available.

+ Details

Name:	ambi_PercentageOfSurchargeAppliedForIncomeTaxTaxableIncomeInExcessOfThresholdLimit
Namespace Prefix:	ambi_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The applicable surcharge rate on social contribution.

+ References

No definition available.

+ Details

Name:	ambi_PercentageOfSurchargeAppliedForSocialContribution
Namespace Prefix:	ambi_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The applicable income tax rate.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 12
-IssueDate 2024-01-01
-Paragraph 81
-Subparagraph c
-Clause ii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2024-en-r&anchor=para_81_c_ii&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_ApplicableTaxRate
Namespace Prefix:	ifrs-full_
Data Type:	dtr-2022:percentItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	srt_StatementScenarioAxis=ambi_CompaniesUnderDeemedIncomeSystemMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementScenarioAxis=ambi_CompaniesUnderTaxableIncomeSystemMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: