XML 166 R151.htm IDEA: XBRL DOCUMENT
v3.21.1

Employee Benefits Payable - Summary of Employee Benefits Payable (Detail) - ARS ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Disclosure of defined benefit plans [line items] |  |
Short-term employee benefits accruals | $ 4,909,779 | $ 4,994,206
Salaries, bonuses and payroll taxes payable [member] |  |
Disclosure of defined benefit plans [line items] |  |
Short-term employee benefits accruals | 2,625,872 | 3,161,201
Vacation accrual [member] |  |
Disclosure of defined benefit plans [line items] |  |
Short-term employee benefits accruals | $ 2,283,907 | $ 1,833,005

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfDefinedBenefitPlansLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of accruals for employee benefits (other than termination benefits) that are expected to be settled wholly within twelve months after the end of the annual reporting period in which the employees render the related services. [Refer: Accruals classified as current] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 78 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_78&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_ShorttermEmployeeBenefitsAccruals
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | ifrs-full_CharacteristicsOfDefinedBenefitPlansAxis=bma_SalariesBonusesAndPayrollTaxesPayableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CharacteristicsOfDefinedBenefitPlansAxis=bma_VacationAccrualMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |