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Employee Benefit Plans and Similar Obligations - Summary of Share Based Compensation Plan (Plan 2019-2022) (Parenthetical) (Detail) - 2019-22 [member] | 12 Months Ended
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Dec. 31, 2019
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 | 31 months

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

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- Definition Share Based Benefit Plan Average Remaining Life + References No definition available. + Details
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Namespace Prefix: | ypf_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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