Total Carrying Amount of Intangible Assets having Indefinite Life (Detail) (JPY ¥) In Millions, unless otherwise specified	Mar. 31, 2012	Mar. 31, 2011
Indefinite-lived Intangible Assets by Major Class [Line Items]
Carrying amount of intangible assets having an indefinite life	¥ 90,033	¥ 89,031
Trademarks
Indefinite-lived Intangible Assets by Major Class [Line Items]
Carrying amount of intangible assets having an indefinite life	66,729	66,967
Distribution agreements
Indefinite-lived Intangible Assets by Major Class [Line Items]
Carrying amount of intangible assets having an indefinite life	18,807	18,834
Other
Indefinite-lived Intangible Assets by Major Class [Line Items]
Carrying amount of intangible assets having an indefinite life	¥ 4,497	¥ 3,230

Sum of the carrying amounts (original costs for current and prior period additions adjusted for impairment, if any) as of the balance sheet date of intangible assets, excluding goodwill, having a projected indefinite period of benefit.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 45

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6905858&loc=d3e16323-109275

Name:	us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant