XML 54 R39.htm IDEA: XBRL DOCUMENT
v3.21.1

Net Gain From Measurement Of Financial Instruments At Fair Value | 12 Months Ended
--- | ---
Dec. 31, 2020
Statement [LineItems] |
Net gain from Measurement of Financial Instruments |
33. | NET GAIN FROM MEASUREMENT OF FINANCIAL INSTRUMENTS AT FAIR VALUE
Description |  | 12/31/2020 |  |  | 12/31/2019 |  |  | 12/31/2018 |
Gain from government securities |  |  | 10,076,885 |  |  |  | 2,570,385 |  |  |  | 1,145,974 |
Gain from private securities |  |  | 847,819 |  |  |  | 1,133,530 |  |  |  | 682,391 |
Gain from derivative financial instruments |  |  |  |  |  |  |  |  |  |  |  |
Forward transactions |  |  | 75,950 |  |  |  | 2,051,535 |  |  |  | 522,385 |
Put options |  |  | 417,029 |  |  |  | 769,490 |  |  |  |  |
Gain from other financial assets |  |  | 2,658 |  |  |  | 246,356 |  |  |  | 524,281 |
Gain from equity instruments at fair value through profit or loss |  |  | 2,523,585 |  |  |  | 4,530,493 |  |  |  | 27,976 |
Gain / (Loss) from sales or derecognition of financial assets at fair value |  |  | 34,768 |  |  |  | (502,031 | ) |  |  | (261,178 | )
|  |  | 13,978,694 |  |  |  | 10,799,758 |  |  |  | 2,641,829 |

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

X
- Definition The disclosure of financial instruments measured at fair value through profit or loss. [Refer: At fair value [member]; Financial instruments, class [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 10 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_10_e&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_DisclosureOfFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration