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Loans - Breakdown of Group's Borrowings (Parenthetical) (Detail) $ in Millions	Dec. 31, 2017 ARS ($)
Disclosure of detailed information about borrowings [abstract]
Liabilities associated to assets held for disposal	$ 3,130

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- References

No definition available.

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Balance Type:	na
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- Definition

Loans Reclassified to liabilities included in disposal groups classified as held for sale

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No definition available.

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Namespace Prefix:	ypf_
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Balance Type:	credit
Period Type:	instant