Benefits Expected to be Paid (Detail) In Millions	Mar. 31, 2011 USD ($)	Mar. 31, 2011 JPY (¥)
Defined Benefit Plan Disclosure [Line Items]
2012	$ 23	¥ 1,878
2013	18	1,462
2014	18	1,506
2015	19	1,607
2016	22	1,711
2017-2021	130	10,930
Total	$ 230	¥ 19,094

Defined Benefit Plan, Expected Future Benefit Payments

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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.

+ Details

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- Definition

The amount of the aggregate benefits expected to be paid in the five fiscal years thereafter (the aggregate amount of benefits expected to be paid in years 6 through 10 after the date of the latest statement of financial position).

+ References