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Gross Realized Gains and Gross Realized Losses from Sales of Available for Sale Debt Securities and Dividends and Interest on Such Securities (Detail) ₨ in Millions, $ in Millions	12 Months Ended
	Mar. 31, 2024 INR (₨)	Mar. 31, 2024 USD ($)	Mar. 31, 2023 INR (₨)	Mar. 31, 2022 INR (₨)
Schedule of Available-for-sale Securities [Line Items]
Gross realized gains on sale	₨ 3,592.4	$ 43.1	₨ 259.1	₨ 18,604.5
Gross realized losses on sale	(2,765.7)	(33.2)	(979.4)	(1,858.7)
Realized gains/ (losses), net	826.7	9.9	(720.3)	16,745.8
Dividends and interest	516,550.0	6,198.1	304,566.7	240,943.0
Total	₨ 517,376.7	$ 6,208.0	₨ 303,846.4	₨ 257,688.8

X

- Definition

The total amount of operating dividend and interest income and the difference between gross realized gains and losses on available-for-sale securities.

+ References

No definition available.

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Amount of realized gain on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

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- Definition

Amount of realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

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Amount of realized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

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Amount of interest income, amortization of premium and accretion of discount on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale); classified as operating.

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