XML 134 R110.htm IDEA: XBRL DOCUMENT v3.19.1

Investments in Associates and Joint Ventures - Summary of Investments Information (Parenthetical) (Detail)	12 Months Ended
	Dec. 31, 2018
YPF EE [member]
Disclosure of transactions between related parties [line items]
The Group indirect holding in capital stock through YPF EE	22.49%

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

X

- Definition

Proportion of indirect ownership interest in associates.

+ References

No definition available.

+ Details

Name:	ypf_ProportionOfIndirectOwnershipInterestInAssociates
Namespace Prefix:	ypf_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=ypf_YPFEEMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: