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Investment in Joint Operations - Information about Joint venture production exploration (Parenthetical) (Detail) - YPF [member] - Bajo del Toro [member]	12 Months Ended
	Dec. 31, 2018
Disclosure of joint operations [line items]
Participation	50.00%
Direct participation [member]
Disclosure of joint operations [line items]
Participation	26.00%
Indirect participation [member]
Disclosure of joint operations [line items]
Participation	24.00%

X

- 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.

+ References

No definition available.

+ Details

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- Definition

The proportion of ownership interest in a joint operation attributable to the entity. [Refer: Joint operations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 12
-IssueDate 2018-01-01
-Paragraph 21
-Subparagraph a
-Clause iv
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=12&date=2018-03-01&anchor=para_21_a_iv&doctype=Standard
-URIDate 2018-03-16

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