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Contingent liabilities and legal proceedings - Acquisition of USL shares from UBHL and related proceedings in relation to the USL transaction (Details) - ₨ / shares |  |  | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2023 | Jul. 04, 2013 | Jun. 30, 2024
Disclosure of contingent liabilities [line items] |  |  |
Proportion of ownership interest in subsidiary |  |  | 100.00%
USL Benefit Trust |  |  |
Disclosure of contingent liabilities [line items] |  |  |
Proportion of ownership interest in subsidiary |  |  | 2.38%
United Spirits Limited |  |  |
Disclosure of contingent liabilities [line items] |  |  |
Percentage of interest acquired |  | 14.98% |
Proportion of ownership interest in subsidiary |  |  | 55.88%
United Spirits Limited | USL Benefit Trust |  |  |
Disclosure of contingent liabilities [line items] |  |  |
Ownership interest in associate | 2.38% |  |
United Spirits Limited | UBHL |  |  |
Disclosure of contingent liabilities [line items] |  |  |
Percentage of interest acquired |  | 6.98% |
Acquisition price per share (in INR per share) |  | ₨ 1,440 |

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- Definition The percentage of voting equity interests acquired in a business combination. [Refer: Business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2023-01-01 -Paragraph B64 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2023-en-r&anchor=para_B64_c&doctype=Appendix&subtype=B -URIDate 2023-03-23 + Details
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- Definition The proportion of ownership interest in a subsidiary attributable to the entity. [Refer: Subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2023-01-01 -Paragraph 17 -Subparagraph b -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2023-en-r&anchor=para_17_b_iii&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2023-01-01 -Paragraph 16 -Subparagraph b -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2023-en-r&anchor=para_16_b_iii&doctype=Standard -URIDate 2023-03-23 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2023-01-01 -Paragraph 19B -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_19B_c&doctype=Standard -URIDate 2023-03-23 + Details
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