XML 212 R190.htm IDEA: XBRL DOCUMENT v3.21.1

Employee Benefit Plans and Similar Obligations - Summary of Share Based Compensation Plan (Plan 2017-2020) (Parenthetical) (Detail) - Plan 2017-20 [member]	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Disclosure of terms and conditions of share-based payment arrangement [line items]
Average remaining life of plan	7 months	7 months
Bottom of range [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Average remaining life of plan			7 months
Top of range [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Average remaining life of plan			19 months

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

Name:	ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Share Based Benefit Plan Average Remaining Life

+ References

No definition available.

+ Details

Name:	ypf_ShareBasedBenefitPlanAverageRemainingLife
Namespace Prefix:	ypf_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=ypf_ShareBasedBenefitPlanTwoThousandAndSeventeenToTwentyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_RangeAxis=ifrs-full_BottomOfRangeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: