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Contingent liabilities and legal proceedings - Acquisition of USL shares from UBHL, winding-up petitions against UBHL and other proceedings in relation to the USL transaction (Details) |  |  |  | 6 Months Ended
--- | --- | --- | --- | ---
Dec. 31, 2020 | Jul. 04, 2013 ₨ / shares | Nov. 09, 2012 Petition | Dec. 31, 2022
Disclosure of contingent liabilities [line items] |  |  |  |
Proportion of ownership interest in subsidiary |  |  |  | 100.00%
SPA | UBHL |  |  |  |
Disclosure of contingent liabilities [line items] |  |  |  |
Number of pending winding-up petitions | Petition |  |  | 5 |
United Spirits Limited |  |  |  |
Disclosure of contingent liabilities [line items] |  |  |  |
Percentage of interest acquired |  | 14.98% |  |
Proportion of ownership interest in subsidiary | 55.94% |  |  |
United Spirits Limited | USL Benefit Trust |  |  |  |
Disclosure of contingent liabilities [line items] |  |  |  |
Ownership interest held by external party | 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) | ₨ / shares |  | ₨ 1,440 |  |

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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 2022-03-24 -Paragraph 17 -Subparagraph b -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2022-en-r&anchor=para_17_b_iii&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2022-03-24 -Paragraph 16 -Subparagraph b -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2022-en-r&anchor=para_16_b_iii&doctype=Standard -URIDate 2022-03-24 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2022-03-24 -Paragraph 19B -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2022-en-r&anchor=para_19B_c&doctype=Standard -URIDate 2022-03-24 + Details
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