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v3.19.2

Subsequent Events - Additional Information (Detail) - INR (₨) ₨ / shares in Units, ₨ in Millions |  | 1 Months Ended |
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Mar. 31, 2019 | Jul. 20, 2019 | Apr. 20, 2019 | Sep. 20, 2019
Subsequent Event [Line Items] |  |  |  |
Description of stock splits | By an ordinary resolution on July 12, 2019, the shareholders of the Bank approved a sub division (stock split) of equity shares to reduce the face value of each equity share from Rs. 2.0 to Rs. 1.0 per share. The Board of Directors in their meeting held on July 20, 2019 fixed the record date as September 20, 2019, the effective date. |  |  |
Scenario Forecast |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Common stock face value per share pre-stock split |  |  |  | ₨ 2.0
Common stock face value per share post-stock split |  |  |  | ₨ 1.0
Dividend paid |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Dividend paid, per share amount |  |  | ₨ 15.0 |
Dividend paid, total amount |  |  | ₨ 40,992.2 |
Dividend Declared |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Dividend declared, date approved |  |  | Jul. 12, 2019 |
Dividend declared, board of directors meeting date |  |  | Apr. 20, 2019 |
Dividend Declared | Subsequent Event |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Special interim dividend declared per share |  | ₨ 5.00 |  |
Dividend declared, record date |  | Jul. 20, 2019 |  |

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- Definition Board of Directors, Meeting Date, Day Month And Year + References No definition available. + Details
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- Definition Common stock face value per share after stock split. + References No definition available. + Details
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- Definition Common stock face value per share before stock split. + References No definition available. + Details
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- Definition Special Dividends Per Share Declared + References No definition available. + Details
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- Definition Stockholders equity note stock split description. + References No definition available. + Details
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- Definition Aggregate dividends paid during the period for each share of common stock outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
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- Definition Date the dividend to be paid was declared, in CCYY-MM-DD format. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586 + Details
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- Definition Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format. + References No definition available. + Details
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- Definition Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
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