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) - United Spirits Limited - ₨ / shares |
6 Months Ended | |
|---|---|---|
Jul. 04, 2013 |
Dec. 31, 2025 |
|
| Disclosure of contingent liabilities [line items] | ||
| Percentage of interest acquired | 14.98% | |
| Proportion of ownership interest in subsidiary | 55.88% | |
| USL Benefit Trust | ||
| Disclosure of contingent liabilities [line items] | ||
| Ownership interest held by external party | 2.38% | |
| UBHL | ||
| Disclosure of contingent liabilities [line items] | ||
| Percentage of interest acquired | 6.98% | |
| Acquisition price per share (in INR per share) | ₨ 1,440 |