Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range

No definition available.

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- Definition

Number of options outstanding, including both vested and non-vested options.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

+ Details

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Period Type:	instant

- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

+ Details

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- Definition

The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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Balance Type:	na
Period Type:	duration

- Definition

Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)(1)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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Stock Options Outstanding, Employees Stock Option Schemes (Detail) - Employees Stock Option Scheme	12 Months Ended
	Mar. 31, 2019 ₨ / shares shares	Mar. 31, 2019 ₨ / shares $ / shares shares	Mar. 31, 2018 ₨ / shares shares	Mar. 31, 2017 ₨ / shares shares	Mar. 31, 2016 ₨ / shares shares
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Number Of Shares Arising Out Of Options \| shares	68,306,411	68,306,411	75,443,800	92,156,300	128,654,300
Weighted Average Exercise Price	₨ 1,365.97	₨ 1,365.97	₨ 1,050.22	₨ 904.97	₨ 840.19
Plan ''C''
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Range of exercise price, Lower Range \| (per share)	680.00	₨ 9.83
Range of exercise price, Upper Range \| (per share)	₨ 835.50	₨ 12.08
Number Of Shares Arising Out Of Options \| shares	1,537,400	1,537,400
Weighted Average Remaining Life	10 months 13 days	10 months 13 days
Weighted Average Exercise Price	₨ 685.70	₨ 685.70
Plan ''D''
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Range of exercise price \| (per share)	₨ 680.00	₨ 9.83
Number Of Shares Arising Out Of Options \| shares	659,900	659,900
Weighted Average Remaining Life	11 months 19 days	11 months 19 days
Weighted Average Exercise Price	₨ 680.00	₨ 680.00
Plan "E"
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Range of exercise price \| $ / shares		₨ 9.83
Range of exercise price, Lower Range	₨ 680.00
Number Of Shares Arising Out Of Options \| shares	2,498,700	2,498,700
Weighted Average Remaining Life	11 months 15 days	11 months 15 days
Weighted Average Exercise Price	₨ 680.00	₨ 680.00
Plan "F"
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Range of exercise price, Lower Range \| (per share)	835.50	₨ 12.08
Range of exercise price, Upper Range \| (per share)	₨ 1,462.15	₨ 21.14
Number Of Shares Arising Out Of Options \| shares	44,238,411	44,238,411
Weighted Average Remaining Life	2 years 8 months 15 days	2 years 8 months 15 days
Weighted Average Exercise Price	₨ 1,134.48	₨ 1,134.48
Plan "G"
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Range of exercise price, Lower Range \| (per share)	2,006.05	₨ 29.01
Range of exercise price, Upper Range \| (per share)	₨ 2,090.45	₨ 30.23
Number Of Shares Arising Out Of Options \| shares	19,372,000	19,372,000
Weighted Average Remaining Life	3 years 6 months 25 days	3 years 6 months 25 days
Weighted Average Exercise Price	₨ 2,060.45	₨ 2,060.45