Group information - Additional Information (Detail) ₨ in Millions, $ in Millions |
12 Months Ended | ||
|---|---|---|---|
|
Mar. 31, 2026
INR (₨)
|
Mar. 31, 2025
INR (₨)
|
Mar. 31, 2026
USD ($)
|
|
| Disclosure of subsidiaries [line items] | |||
| Non-controlling interests | ₨ 18,536 | ₨ 18,510 | $ 198 |
| RPPL | |||
| Disclosure of subsidiaries [line items] | |||
| Percentage of non controlling interest | 3.11% | 3.11% | |
| Non-controlling interests | ₨ 4,625 | ₨ 4,144 | |
| X | ||||||||||
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. No definition available.
|
| X | ||||||||||
- Definition The amount of equity in a subsidiary not attributable, directly or indirectly, to a parent. [Refer: Total for all subsidiaries [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The proportion of ownership interest in an associate attributable to the entity. [Refer: Total for all associates [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|