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 | |
|---|---|---|
Jul. 04, 2013 |
Jun. 30, 2026 |
|
| Disclosure of contingent liabilities [line items] | ||
| Proportion of ownership interest in subsidiary | 100.00% | |
| 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 |