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Details of Guarantees and Documentary Credits Outstanding (Detail) ₨ in Millions, $ in Millions | Mar. 31, 2017 INR (₨) | Mar. 31, 2017 USD ($) | Mar. 31, 2016 INR (₨)
--- | --- | --- | ---
Guarantees and Documentary Credits Fair Value [Line Items] |  |  |
Bank guarantees | ₨ 729,008.0 | $ 11,241.4 | ₨ 652,140.6
Estimated fair values of bank guarantees | (2,679.4) | (41.3) | (2,198.6)
Financial guarantees |  |  |
Guarantees and Documentary Credits Fair Value [Line Items] |  |  |
Bank guarantees | 202,430.1 | 3,121.5 | 194,250.1
Performance guarantees |  |  |
Guarantees and Documentary Credits Fair Value [Line Items] |  |  |
Bank guarantees | 166,964.2 | 2,574.6 | 140,364.7
Documentary credits |  |  |
Guarantees and Documentary Credits Fair Value [Line Items] |  |  |
Bank guarantees | 359,613.7 | 5,545.3 | 317,525.8
Estimated fair values of documentary credits | (340.2) | (5.2) | (326.1)
Guarantees |  |  |
Guarantees and Documentary Credits Fair Value [Line Items] |  |  |
Estimated fair values of bank guarantees | ₨ (2,339.2) | $ (36.1) | ₨ (1,872.5)

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- Definition Indicates line item in statement of Guarantee and Documentary credits. + References No definition available. + Details
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- Definition The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=82913245&loc=d3e12069-110248 + Details
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- Definition Fair value portion of guarantee, including, but not limited to, financial standby letter of credit, fair value guarantee, guarantee of collection of scheduled contractual cash flows from financial assets, and contracts that contingently require the guarantor to make payments or perform services. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=82913245&loc=d3e12201-110248 + Details
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