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Supplemental Information on Oil And Gas Producing Activities (Unaudited) - Costs Incurred for Oil and Gas Producing Activities (Parenthetical) (Detail) $ in Millions	12 Months Ended
	Dec. 31, 2020 ARS ($)
Upstream Contracts comprised in right-of-use assets [member] | IFRS 16 [Member]
Disclosure of information about consolidated structured entities [line items]
Additions of Upstream contracts comprised in right-of-use assets	$ 11,505

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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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- Definition

Additions of Upstream contracts comprised in right-of-use assets

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No definition available.

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- Details

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