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Measurement of ECL - Summary Of Loan Portfolio And Related Impact On Contractual Cash Flows (Detail) - ARS ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Financial instruments credit-impaired [member]
Disclosure Of Loan Portfolio And related Impact On Contractual Cash Flows [Line Items]
Loss from changes in contractual cash flows recognized in Net Interest Income	$ 336,927	$ 691,757
UVA-indexed mortgage loans [member]
Disclosure Of Loan Portfolio And related Impact On Contractual Cash Flows [Line Items]
Loss from changes in contractual cash flows recognized in Net Interest Income	25,008,737
UVA-indexed mortgage loans [member] | Financial instruments credit-impaired [member]
Disclosure Of Loan Portfolio And related Impact On Contractual Cash Flows [Line Items]
Loss from changes in contractual cash flows recognized in Net Interest Income	330,936	681,039
UVA-indexed pledge loans [member]
Disclosure Of Loan Portfolio And related Impact On Contractual Cash Flows [Line Items]
Loss from changes in contractual cash flows recognized in Net Interest Income	511,312
UVA-indexed pledge loans [member] | Financial instruments credit-impaired [member]
Disclosure Of Loan Portfolio And related Impact On Contractual Cash Flows [Line Items]
Loss from changes in contractual cash flows recognized in Net Interest Income	$ 5,991	$ 10,718

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- Definition

Disclosure of loan portfolio and related impact on contractual cash flows [Line Item].

+ References

No definition available.

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- Definition

The increase (decrease) in financial assets resulting from the modification of contractual cash flows. [Refer: Financial assets]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IFRS
-Number 7
-IssueDate 2021-01-01
-Paragraph 35I
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_35I_b&doctype=Standard
-URIDate 2021-03-24

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