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Financial Instruments by Category - Additional Information (Detail) - ARS ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Level 3 [member] | Estimated Fair Value of Loans [member]
Disclosure of detailed information about financial instruments [line items]
Other remaining financial loans	$ 293,972	$ 200,264	$ 157,133

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- 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.

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No definition available.

+ Details

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- Definition

Other remaining financial loans.

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No definition available.

+ Details

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Balance Type:	credit
Period Type:	instant

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- Details

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- Details

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