v3.26.3
Investment properties (Details) - ARS ($)
$ in Millions
 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Statement [Line Items]    
Fair value at the beginning of the year $ 3,131,250  
Incorporation by business combination (ii) (2,136)  
Fair value at the end of the year 3,372,350 $ 3,131,250
Level 3 [Member] | Shopping Malls in Argentina [Member]    
Statement [Line Items]    
Fair value at the beginning of the year 1,903,679 1,234,604
Additions 21,426 63,525
Capitalized leasing costs 198 156
Amortization of capitalized leasing costs (i) (326) (334)
Transfers (657) (5,107)
Incorporation by business combination (ii) 22,320 0
Disposals 0 (24)
Currency translation adjustment 0 0
Net (loss) / gain from fair value adjustment 265,961 610,859
Fair value at the end of the year 2,212,601 1,903,679
Level 2 [Member]    
Statement [Line Items]    
Fair value at the beginning of the year 1,227,571 1,935,800
Additions 76,891 35,983
Capitalized leasing costs 282 87
Amortization of capitalized leasing costs (i) (193) (175)
Transfers (70,093) (117,703)
Incorporation by business combination (ii) 0 0
Disposals (2,544) (12,138)
Currency translation adjustment (1) (86)
Net (loss) / gain from fair value adjustment (72,164) (614,197)
Fair value at the end of the year $ 1,159,749 $ 1,227,571