XML 182 R172.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Subsequent Events - Additional Information (Detail) - INR (₨) ₨ / shares in Units, ₨ in Millions |  |  | 1 Months Ended
--- | --- | --- | ---
Jul. 17, 2018 | Dec. 20, 2017 | Apr. 21, 2018
Subsequent Event [Line Items] |  |  |
Aggregate funds |  | ₨ 240,000.0 |
Aggregate amount received on issue of equity shares |  | ₨ 85,000.0 |
Face value of share |  | ₨ 2 |
Subsequent Event |  |  |
Subsequent Event [Line Items] |  |  |
Issuance of equity shares | 39,096,817 |  |
Share price | ₨ 2,174.09 |  |
Share premium | ₨ 2,172.09 |  |
Dividend paid | Subsequent Event |  |  |
Subsequent Event [Line Items] |  |  |
Dividend paid, per share amount |  |  | ₨ 13.0
Dividend paid, total amount |  |  | ₨ 33,736.2
Dividend Declared | Subsequent Event |  |  |
Subsequent Event [Line Items] |  |  |
Dividend declared, date approved |  |  | Jun. 29, 2018
Dividend declared, board of directors meeting date |  |  | Apr. 21, 2018

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