Subsidiaries - Narratives (Details)	12 Months Ended
Dec. 31, 2020
Subsidiary 1 Member
Disclosure of subsidiaries [line items]
Name Of Subsidiary	PSA Finance Argentina Compañía Financiera S.A. (“PSA”)
Subsidiary 2 Member
Disclosure of subsidiaries [line items]
Name Of Subsidiary	BBVA Asset Management Argentina S.A.
Subsidiary 3 Member
Disclosure of subsidiaries [line items]
Name Of Subsidiary	Consolidar Administradora de Fondos de Jubilaciones y Pensiones S.A. (undergoing liquidation proceedings)
Subsidiary 4 Member
Disclosure of subsidiaries [line items]
Name Of Subsidiary	Volkswagen Financial Services Compañía Financiera S.A. (“VWFS”)

The name of a subsidiary. [Refer: Subsidiaries [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Number 27
-IssueDate 2020-01-01
-Paragraph 17
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-URIDate 2020-01-01

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-Number 27
-IssueDate 2020-01-01
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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-Number 12
-IssueDate 2020-01-01
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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