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Weighted-Average Asset Allocation of Said Plan Assets for Pension Benefits (Detail) - Pension	Mar. 31, 2015
Funds managed by trust
Weighted-average asset allocation	100.00%
Government of India securities
Funds managed by trust
Weighted-average asset allocation	7.00%
Debenture and bonds
Funds managed by trust
Weighted-average asset allocation	78.20%
Other securities
Funds managed by trust
Weighted-average asset allocation	14.80%

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- Definition

Percentage of fair value of investments (categorized by debt securities, equity securities, real estate and other plan assets) to the fair value of plan assets held.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 715



-SubTopic 20



-Section 50



-Paragraph 5



-Subparagraph (c)



-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e2446-114920



Reference 2: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 715



-SubTopic 20



-Section 50



-Paragraph 1



-Subparagraph (d)(1)



-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920

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