Related party disclosure - Summary of Transactions And Balances With Other Related Parties (Detail) ₨ in Millions, $ in Millions |
12 Months Ended | |||
|---|---|---|---|---|
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Mar. 31, 2025
INR (₨)
|
Mar. 31, 2025
USD ($)
|
Mar. 31, 2024
INR (₨)
|
Mar. 31, 2023
INR (₨)
|
|
| Disclosure of transactions between related parties [line items] | ||||
| Put options exercised during the year (refer Note 20) | ₨ 1,000 | ₨ 980 | ||
| Entities Owned Or Significantly Influenced By Key Management Personnel | ReNew Foundation | ||||
| Disclosure of transactions between related parties [line items] | ||||
| Contribution for activities related to corporate social responsibility | ₨ 74 | $ 1 | 33 | 22 |
| Key Managerial Personnel (KMP) and their relatives | ||||
| Disclosure of transactions between related parties [line items] | ||||
| Put options exercised during the year (refer Note 20) | 1,000 | ₨ 980 | ||
| Retention bonus given | ₨ 495 | $ 6 | ₨ 570 | |