Income Taxes - Summary of Components of Income Tax Expense (Detail) ₨ 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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| Major components of tax expense (income) [abstract] | ||||
| Current tax expense | ₨ 42,665 | ₨ 45,405 | ₨ 34,973 | |
| Deferred tax expense/(reversal) | (1,898) | (2,628) | 1,116 | |
| Income tax expense | ₨ 40,767 | $ 434 | ₨ 42,777 | ₨ 36,089 |
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- References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The amount of tax expense (income) relating to changes in deferred tax liabilities and deferred tax assets. [Refer: Deferred tax assets; Deferred tax liabilities] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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