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Balances Payable to Related Parties (Detail) ₨ in Millions, $ in Millions	Mar. 31, 2023 INR (₨)	Mar. 31, 2023 USD ($)	Mar. 31, 2022 INR (₨)
Related Party Transaction [Line Items]
Balances in non-interest-bearing deposits	₨ 2,729,176.3	$ 33,205.7	₨ 2,382,052.2
Balances in interest-bearing deposits	16,097,459.3	195,856.7	13,197,979.7
Principal Owner
Related Party Transaction [Line Items]
Balances in non-interest-bearing deposits	25,637.8		20,695.1
Balances in interest-bearing deposits	1,755.1		6,719.8
Accrued expenses and other liabilities	773.5		641.4
Total	28,166.4		28,056.3
Others
Related Party Transaction [Line Items]
Balances in non-interest-bearing deposits	8,715.1		6,273.0
Balances in interest-bearing deposits	1,611.9		875.0
Accrued expenses and other liabilities	0.0		0.0
Total	10,327.0		7,148.0
Related Party
Related Party Transaction [Line Items]
Balances in non-interest-bearing deposits	34,352.9	418.0	26,968.1
Balances in interest-bearing deposits	3,367.0	41.0	7,594.8
Accrued expenses and other liabilities	773.5	9.4	641.4
Total	₨ 38,493.4	$ 468.4	₨ 35,204.3

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Sum of the carrying values as of the balance sheet date of obligations incurred through that date, including liabilities incurred and payable to vendors for goods and services received, taxes, interest, rent and utilities, compensation costs, payroll taxes and fringe benefits (other than pension and postretirement obligations), contractual rights and obligations, and statutory obligations.

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