v3.26.3
Intangible Assets (Details) - ARS ($)
$ in Millions
 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
Net book value [Member] | Concession rights, trademarks and others [Member]      
Statement [Line Items]      
Cost $ 37,800 $ 37,460 $ 137,107
Net book value 20,061 20,828 121,171
Accumulated amortization (17,739) (16,632) (15,936)
Net book value [Member] | Totals Intangible Assets [Member]      
Statement [Line Items]      
Cost 94,526 86,316 178,620
Net book value 41,443 38,060 134,958
Accumulated amortization (53,083) (48,256) (43,662)
Goodwill [Member]      
Statement [Line Items]      
Additions 0 1  
Disposals 0 (16)  
Transfers 0 0  
Currency translation adjustment (28) (59)  
Incorporation by business combination (ii) 4,179    
Amortization charges (i) 0 0  
Net book amount, ending balance 13,039 8,888  
Goodwill [Member] | Net book value [Member]      
Statement [Line Items]      
Cost 13,039 8,888 8,962
Accumulated amortization 0 0 0
Net book value 13,039 8,888 8,962
Information Systems And Softwares [Member] | Net book value [Member]      
Statement [Line Items]      
Cost 43,687 39,968 32,551
Net book value 8,343 8,344 4,825
Accumulated amortization (35,344) (31,624) $ (27,726)
Information Systems And Software [Member]      
Statement [Line Items]      
Additions 3,324 4,249  
Disposals (1) (3)  
Transfers 469 3,267  
Currency translation adjustment (73) (96)  
Incorporation by business combination (ii) 0    
Amortization charges (i) (3,720) (3,898)  
Net book amount, ending balance 8,343 8,344  
Concession rights trademarks and other [Member]      
Statement [Line Items]      
Additions 1 1,063  
Disposals 0 0  
Transfers 0 (100,710)  
Currency translation adjustment 0 0  
Incorporation by business combination (ii) 339    
Amortization charges (i) (1,107) (696)  
Net book amount, ending balance 20,061 20,828  
Totals [Member]      
Statement [Line Items]      
Additions 3,325 5,313  
Disposals (1) (19)  
Transfers 469 (97,443)  
Currency translation adjustment (101) (155)  
Incorporation by business combination (ii) 4,518    
Amortization charges (i) (4,827) (4,594)  
Net book amount, ending balance $ 41,443 $ 38,060