Other equity - Summary of Hedge Reserve (Detail) - Hedge reserve ₨ in Millions, $ in Millions |
12 Months Ended | |||
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Mar. 31, 2026
INR (₨)
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Mar. 31, 2026
USD ($)
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Mar. 31, 2025
INR (₨)
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Mar. 31, 2024
INR (₨)
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| Disclosure Of Detailed Information About Reserve Of Cash Flow Hedges Of Equity [line Items] | ||||
| Beginning balance | ₨ (590) | ₨ (1,867) | ₨ (618) | |
| OCI for the year | 1,227 | (97) | (2,205) | |
| Attributable to non-controlling interests | (67) | (53) | 129 | |
| Amount transferred to property, plant and equipment | 513 | 1,427 | 827 | |
| Ending balance | ₨ 1,083 | $ 12 | ₨ (590) | ₨ (1,867) |
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- Definition The gains (losses) on financial liabilities at fair value through profit or loss. [Refer: Financial liabilities at fair value through profit or loss] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of other comprehensive income attributable to non-controlling interests. [Refer: Non-controlling interests; Other comprehensive income] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The amount of other comprehensive income attributable to owners of the parent. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition A component of equity representing the accumulated portion of gain (loss) on a hedging instrument that is determined to be an effective hedge for cash flow hedges. [Refer: Cash flow hedges [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Disclosure of detailed information about reserve of cash flow hedges of equity. No definition available.
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- Details
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