XML 63 R53.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Accumulated other comprehensive income (Tables) | 12 Months Ended
--- | ---
Mar. 31, 2018
Changes in Accumulated Other Comprehensive Income After Tax | The below table presents the changes in accumulated other comprehensive income (OCI) after tax for the years ended March 31, 2017 and March 31, 2018.
|  | Available for sale securities |  |  | Foreign currency translation reserve |  |  | Total |
|  | (In millions) |
Balance, March 31, 2016 |  | Rs. | 10,707.6 |  |  | Rs. | 807.7 |  |  | Rs. | 11,515.3 |
Net unrealized gain/(loss) arising during the period |  |  | 17,910.7 |  |  |  | (209.2 | ) |  |  | 17,701.5 |
Amounts reclassified to income |  |  | (3,185.2 | ) |  |  | — |  |  |  | (3,185.2 | )
Balance, March 31, 2017 |  | Rs. | 25,433.1 |  |  | Rs. | 598.5 |  |  | Rs. | 26,031.6 |
Balance, March 31, 2017 |  | Rs. | 25,433.1 |  |  | Rs. | 598.5 |  |  | Rs. | 26,031.6 |
Net unrealized gain/(loss) arising during the period |  |  | (21,445.3 | ) |  |  | 72.1 |  |  |  | (21,373.2 | )
Amounts reclassified to income |  |  | (8,455.1 | ) |  |  | — |  |  |  | (8,455.1 | )
Balance, March 31, 2018 |  | Rs. | (4,467.3 | ) |  | Rs. | 670.6 |  |  | Rs. | (3,796.7 | )
Balance, March 31, 2018 |  | US$ | (68.6 | ) |  | US$ | 10.3 |  |  | US$ | (58.3 | )
Reclassification Out of Accumulated Other Comprehensive Income (OCI) by Income line Item and the Related Tax Effect | The below table presents the reclassification out of accumulated other comprehensive income (OCI) by income line item and the related tax effect for period ended March 31, 2017 and March 31, 2018.
|  | As of March 31, |
|  | 2017 |  |  | 2018 |  |  | 2018 |
|  | (In millions) |
Available for sale securities: |  |  |  |  |  |  |  |  |  |  |  |
Realized (gain)/loss on sales of available for sale securities, net |  | Rs. | (4,884.3 | ) |  | Rs. | (13,145.7 | ) |  | US$ | (201.9 | )
Other than temporary impairment losses on available for sale securities |  |  | 13.4 |  |  |  | 149.1 |  |  |  | 2.3 |
Total before tax |  | Rs. | (4,870.9 | ) |  | Rs. | (12,996.6 | ) |  | US$ | (199.6 | )
Income tax |  |  | 1,685.7 |  |  |  | 4,541.5 |  |  |  | 69.7 |
Net of tax |  | Rs. | (3,185.2 | ) |  | Rs. | (8,455.1 | ) |  | US$ | (129.9 | )

X
- Definition Tabular disclosure of information about items reclassified out of accumulated other comprehensive income (loss). + References No definition available. + Details
Name: | us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669686-108580 + Details
Name: | us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration