Expected Future Benefit Payments (Detail) (JPY ¥) In Millions, unless otherwise specified	Mar. 31, 2013
Japanese plans
Defined Benefit Plan Disclosure [Line Items]
2014	¥ 27,762
2015	30,427
2016	32,921
2017	34,154
2018	36,391
2019 - 2023	218,706
Foreign plans
Defined Benefit Plan Disclosure [Line Items]
2014	10,314
2015	11,022
2016	10,658
2017	11,306
2018	11,937
2019 - 2023	¥ 68,135

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Amount of benefits expected to be paid in the five fiscal years after the fifth fiscal year following the latest fiscal year from a defined benefit plan.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (f)

-URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920

+ Details

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- Definition

Amount of benefits expected to be paid in the next fiscal year following the latest fiscal year from a defined benefit plan.

+ References

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- Definition

Amount of benefits expected to be paid in the fifth fiscal year following the latest fiscal year from a defined benefit plan.

+ References

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- Definition

Amount of benefits expected to be paid in the fourth fiscal year following the latest fiscal year from a defined benefit plan.

+ References

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Amount of benefits expected to be paid in the third fiscal year following the latest fiscal year from a defined benefit plan.

+ References

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Amount of benefits expected to be paid in the second fiscal year following the latest fiscal year from a defined benefit plan.

+ References

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