XML 80 R66.htm IDEA: XBRL DOCUMENT
v3.22.1

Derivative Financial Instruments (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2021
Statement [LineItems] |
Summary of Notional Amounts and Fair Values of Derivative Financial Instruments |
Derivative financial assets |  | Underlying Notional Value |  |  | 12/31/2021 |  |  | 12/31/2020 |
| Notional Value (in thousand) |  |  | Fair Value |  |  | Notional Value (in thousand) |  |  | Fair Value |
Transactions of foreign currency contract without delivery of underlying asset |  |  | US Dollars |  |  |  | 1,270 |  |  |  | 1,296 |  |  |  | 1,580 |  |  |  | 10,916 |
Put options –US Dollars (see note 12) |  |  | Shares |  |  |  |  |  |  |  |  |  |  |  | 8,910,878 |  |  |  | 1,037,832 |
Put options –Pesos (see note 12) |  |  | Shares |  |  |  |  |  |  |  |  |  |  |  | 8,910,878 |  |  |  | 444,785 |
Total derivatives held for trading |  |  |  |  |  |  |  |  |  |  | 1,296 |  |  |  |  |  |  |  | 1,493,533 |
Derivative financial liabilities |  | Underlying Notional Value |  |  | 12/31/2021 |  |  | 12/31/2020 |
| Notional Value (in thousand) |  |  | Fair Value |  |  | Notional Value (in thousand) |  |  | Fair Value |
Transactions of foreign currency contract without delivery of underlying asset |  |  | US Dollars |  |  |  | 870 |  |  |  | 2,532 |  |  |  | 1,755 |  |  |  | 347 |
Total derivatives held for trading |  |  |  |  |  |  |  |  |  |  | 2,532 |  |  |  |  |  |  |  | 347 |

X
- Definition Disclosure of notional and fair value amounts of derivatives financial instruments. + References No definition available. + Details
Name: | bma_DisclosureOfNotionalAndFairValueAmountsOfDerivativeFinancialInstrumentsTableTextBlock
Namespace Prefix: | bma_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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