Total Carrying Amount of Intangible Assets having Indefinite Life (Detail) (JPY ¥) In Millions, unless otherwise specified	Mar. 31, 2013	Mar. 31, 2012
Indefinite-lived Intangible Assets [Line Items]
Carrying amount of intangible assets having an indefinite life	¥ 90,413	¥ 90,033
Trademarks
Indefinite-lived Intangible Assets [Line Items]
Carrying amount of intangible assets having an indefinite life	68,099	66,729
Distribution agreements
Indefinite-lived Intangible Assets [Line Items]
Carrying amount of intangible assets having an indefinite life	19,116	18,807
Other
Indefinite-lived Intangible Assets [Line Items]
Carrying amount of intangible assets having an indefinite life	¥ 3,198	¥ 4,497

Carrying amount of assets (excluding financial assets) that lack physical substance, excluding goodwill, having a projected indefinite period of benefit.

Reference 1: 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=7658586&loc=d3e16323-109275

Reference 2: 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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

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