Contingent liabilities and legal proceedings - Other matters in relation to USL (Details)	6 Months Ended
Dec. 31, 2019
United Spirits Limited
Disclosure of contingent liabilities [line items]
Shares percentage of additional equivalent payments required to be made to shareholders	0.04%

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

No definition available.

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