Sales/transfer of receivables - Summary of Cash Flows Between Transferee and Transferor (Detail) ₨ in Millions, $ in Millions |
12 Months Ended | |||
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Mar. 31, 2026
INR (₨)
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Mar. 31, 2026
USD ($)
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Mar. 31, 2025
INR (₨)
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Mar. 31, 2026
USD ($)
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| Transfers and Servicing [Abstract] | ||||
| Collections against securitized receivables/transfers | ₨ 99,799.5 | $ 1,063.6 | ₨ 38,841.9 | |
| Payments made | 86,358.7 | 920.4 | 32,758.6 | |
| Cash flows on retained interests | 13,440.8 | $ 143.2 | 6,083.3 | |
| Transferred receivables with continuing involvement | 340,489.1 | 332,411.5 | $ 3,628.8 | |
| Delinquencies | 1,395.3 | 15.4 | 14.9 | |
| Retained interest | ₨ 38,044.0 | ₨ 37,189.9 | $ 405.5 | |
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- Definition Cash Flows between a transferor and a transferee attributable to collections reinvested in revolving period transfers related to either a securitization, asset-backed financing arrangement, or similar transfer in which the transferor has continuing involvement with the transferred financial assets underlying the transaction (including, but not limited to, servicing, recourse, and restrictions on transferor's interests in the transferred financial assets). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Cash flows between transferee and transferor in payment of the transferor's beneficial interest related to a securitization, asset-backed financing arrangement, or similar transfer in which the transferor has continuing involvement with the transferred financial assets underlying the transaction. No definition available.
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- Definition Principal amount of transferred financial assets in which the transferor has continuing involvement with the assets underlying the transaction. Continuing involvement includes, but is not limited to, servicing, recourse, and restrictions on transferor's interests in transferred financial assets. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition This is the principal amount of loans (across all types of loans) that are overdue in payment by a set number of days. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The carrying amount (fair value) as of the balance sheet date of the transferor's interests in transferred financial assets (typically securitized receivables, generally not involved in the collection of principal) following transfer of significant portions of such financial instruments to other parties. Such interests could be ancillary cash flows and interest-only strips. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of cash inflow from collection on beneficial interest in securitization of receivables. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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