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v3.20.2

Employee benefits and share-based payments (Details 1) $ / shares in Units, $ in Millions | 12 Months Ended
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Jun. 30, 2020 ARS ($) $ / shares
Cellcom [Member] |
Disclosure of associates [line items] |
Average price of outstanding options | $ 17.8
Amount of outstanding options | $ | $ 759,332
Average remaining useful life | 3 years 4 months 24 days
Bottom Of Range [Member] | Cellcom [Member] |
Disclosure of associates [line items] |
Exercise price range of outstanding options | $ 15.05
Top Of Range [Member] | Cellcom [Member] |
Disclosure of associates [line items] |
Exercise price range of outstanding options | 27.7
Discount Investment Corporation Ltd. [Member] |
Disclosure of associates [line items] |
Average price of outstanding options | $ 672
Amount of outstanding options | $ | $ 2,124,000
Average remaining useful life | 4 years 5 months 5 days
Discount Investment Corporation Ltd. [Member] | Bottom Of Range [Member] |
Disclosure of associates [line items] |
Exercise price range of outstanding options | $ 6.90
Discount Investment Corporation Ltd. [Member] | Top Of Range [Member] |
Disclosure of associates [line items] |
Exercise price range of outstanding options | $ 12.5

X
- Definition The amount of outstanding options. + References No definition available. + Details
Name: | cres_AmountOfOutstandingOptions
Namespace Prefix: | cres_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition For Entite average price of outstanding oprtion. + References No definition available. + Details
Name: | cres_AveragePriceOfOutstandingOptions
Namespace Prefix: | cres_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition For entite of average remaining useful life. + References No definition available. + Details
Name: | cres_AverageRemainingUsefulLife
Namespace Prefix: | cres_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition For Entite of exercise price range of outstanding options. + References No definition available. + Details
Name: | cres_ExercisePriceRangeOfOutstandingOptions
Namespace Prefix: | cres_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

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

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=cres_CellcomIsraelLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=ifrs-full_BottomOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | ifrs-full_SignificantInvestmentsInAssociatesAxis=cres_DiscountInvestmentCorporationLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |