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=120381028&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=120381028&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=120381028&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=120381028&loc=d3e5070-113901

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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=120381028&loc=d3e5070-113901

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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=120381028&loc=d3e5070-113901

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Stock Options Outstanding, Employees Stock Option Schemes (Detail) - Employees Stock Option Scheme	12 Months Ended
	Mar. 31, 2020 ₨ / shares shares	Mar. 31, 2020 $ / shares ₨ / shares shares	Mar. 31, 2019 ₨ / shares shares	Mar. 31, 2018 ₨ / shares shares	Mar. 31, 2017 ₨ / shares shares
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Number Of Shares Arising Out Of Options \| shares	142,865,602	142,865,602	136,612,822	150,887,600	184,312,600
Weighted Average Exercise Price \| ₨ / shares	₨ 899.03	₨ 899.03	₨ 682.99	₨ 525.11	₨ 452.48
Plan ''C''
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Range of exercise price, Lower Range \| (per share)	340.00	₨ 4.51
Range of exercise price, Upper Range \| (per share)	₨ 417.75	₨ 5.54
Number Of Shares Arising Out Of Options \| shares	485,100	485,100
Weighted Average Remaining Life	4 months 2 days	4 months 2 days
Weighted Average Exercise Price \| ₨ / shares	₨ 344.05	₨ 344.05
Plan ''D''
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Range of exercise price \| (per share)	₨ 340.00	₨ 5.51
Number Of Shares Arising Out Of Options \| shares	345,900	345,900
Weighted Average Remaining Life	3 months 18 days	3 months 18 days
Weighted Average Exercise Price \| ₨ / shares	₨ 340.00	₨ 340.00
Plan "E"
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Range of exercise price \| (per share)	₨ 340.00	₨ 5.51
Number Of Shares Arising Out Of Options \| shares	1,705,500	1,705,500
Weighted Average Remaining Life	3 months 18 days	3 months 18 days
Weighted Average Exercise Price \| ₨ / shares	₨ 340.00	₨ 340.00
Plan "F"
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Range of exercise price, Lower Range \| (per share)	417.75	₨ 5.54
Range of exercise price, Upper Range \| (per share)	₨ 731.08	₨ 9.70
Number Of Shares Arising Out Of Options \| shares	58,568,822	58,568,822
Weighted Average Remaining Life	2 years 7 days	2 years 7 days
Weighted Average Exercise Price \| ₨ / shares	₨ 587.08	₨ 587.08
Plan "G"
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Range of exercise price, Lower Range \| (per share)	882.85	₨ 11.71
Range of exercise price, Upper Range \| (per share)	₨ 1,229.00	₨ 16.30
Number Of Shares Arising Out Of Options \| shares	81,760,280	81,760,280
Weighted Average Remaining Life	3 years 5 months 12 days	3 years 5 months 12 days
Weighted Average Exercise Price \| ₨ / shares	₨ 1,139.82	₨ 1,139.82