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 $ 3,210,643  
Fair value at the end of the year 3,469,474 $ 3,210,643
Level 3 [Member] | Shopping Malls in Argentina [Member]    
Statement [Line Items]    
Additions 21,426 63,525
Disposals 0 (24)
Transfers (657) (5,107)
Net (loss) / gain from fair value adjustment 265,961 610,859
Additions of capitalized leasing costs 198 156
Amortization of capitalized leasing costs (i) (326) (334)
Currency translation adjustment 0 0
Balance incorporated by business combination (ii) 22,320 0
Fair value at the beginning of the year 1,903,679 1,234,604
Fair value at the end of the year 2,212,601 1,903,679
Level 2 [Member]    
Statement [Line Items]    
Additions 76,891 35,983
Disposals (2,544) (12,138)
Transfers (52,432) (148,425)
Net (loss) / gain from fair value adjustment (75,722) (585,385)
Additions of capitalized leasing costs 282 87
Amortization of capitalized leasing costs (i) (193) (175)
Currency translation adjustment 3,627 (7,312)
Balance incorporated by business combination (ii) 0 0
Fair value at the beginning of the year 1,306,964 2,024,329
Fair value at the end of the year $ 1,256,873 $ 1,306,964