Earnings per share (Details) - Basic [Member] $ / shares in Units, $ / shares in Units, shares in Millions, $ in Millions, $ in Millions	12 Months Ended
Jun. 30, 2025 USD ($) $ / shares shares	Jun. 30, 2024 USD ($) $ / shares shares	Jun. 30, 2023 ARS ($) $ / shares shares
Statement [Line Items]
Profit (loss) for the year attributable to equity holders of the parent	$ 96,148	$ 127,197	$ 228,761
Weighted average number of ordinary shares outstanding	598	592	602
Basic earnings per share \| (per share)	$ 160.81	$ 214.71	$ 380.00

The number of ordinary shares outstanding at the beginning of the period, adjusted by the number of ordinary shares bought back or issued during the period multiplied by a time-weighting factor.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 33
-IssueDate 2024-01-01
-Paragraph 70
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2024-en-r&anchor=para_70_b&doctype=Standard
-URIDate 2024-03-27

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