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Salaries and social security - Summary of detailed information about salaries and social security (Parenthetical) (Detail) $ in Millions	Dec. 31, 2020 ARS ($)
Disclosure Of Salaries And Social Security [Abstract]
Provision for voluntary retirement plan	$ 6,102

X

- Definition

Disclosure of salaries and social security.

+ References

No definition available.

+ Details

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Namespace Prefix:	ypf_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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- Definition

Provision for voluntary retirement plan

+ References

No definition available.

+ Details

Name:	ypf_ProvisionForVoluntaryRetirementPlan
Namespace Prefix:	ypf_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant