Finance Expenses - Summary of Finance Expense (Detail) ₨ in Millions, $ in Millions |
12 Months Ended | |||||
|---|---|---|---|---|---|---|
|
Mar. 31, 2026
INR (₨)
|
Mar. 31, 2026
USD ($)
|
Mar. 31, 2025
INR (₨)
|
Mar. 31, 2024
INR (₨)
|
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| Disclosure of finance expense [abstract] | ||||||
| Interest on loans, borrowings and bank overdrafts | ₨ 5,368 | ₨ 7,124 | ₨ 6,893 | |||
| Interest on lease liabilities | 1,956 | 1,593 | 1,334 | |||
| Interest on liability on written put options to non-controlling interests | 585 | 530 | 33 | |||
| Other finance expenses | [1] | 6,668 | 5,523 | 4,292 | ||
| Total | ₨ 14,577 | $ 156 | ₨ 14,770 | ₨ 12,552 | ||
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