Maximum Lag Period of Recognizing the Results of Subsidiaries and Affiliates

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- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.14)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 14

-Article 5

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- Definition

Amount of decrease in additional paid in capital (APIC) resulting from a stock split in which per-share par value or stated value is not changed proportionately.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 31

-Article 5

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Stock Split

-URI http://asc.fasb.org/extlink&oid=6525746

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- Definition

Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 720

-SubTopic 35

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848

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Period Type:	duration

- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

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- Definition

Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 6

-Subparagraph a

-Article 5

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.6(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Cost of real estate projects incurred for projects for eventual sale or transfer (condominium or time share projects, vacation clubs).

+ References

No definition available.

+ Details

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- Definition

Charge to cost of goods sold that represents the reduction of the carrying amount of inventory, generally attributable to obsolescence or market conditions.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.2)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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-Name Accounting Standards Codification

-Topic 330

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=28360613&loc=d3e4542-108314

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- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

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- Definition

The amount of interest capitalized to an operative builder's inventory during the period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391

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Significant Accounting and Reporting Policies - Additional Information (Detail) (JPY ¥) In Millions, unless otherwise specified	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Significant Accounting Policies [Line Items]
A maximum lag period of recognizing the results of subsidiaries and affiliates	3 months
Increase in additional paid-in capital had such stock splits made prior to October 1, 2001	¥ 24,674
Advance and/or progress payments for development of condominiums for sale	111,813	34,556
Finished goods	24,291	6,933
Write-down of advance and/or progress payments for development of residential condominiums	5,650	3,377	4,039
Capitalized interest costs related to specific long-term development projects	981	1,707	2,395
Advertising expense	15,269	11,579	5,888
Investment in operating leases \| Transportation equipment
Significant Accounting Policies [Line Items]
Estimated average useful lives	9 years
Investment in operating leases \| Measuring and information-related equipment
Significant Accounting Policies [Line Items]
Estimated average useful lives	4 years
Investment in operating leases \| Real Estate
Significant Accounting Policies [Line Items]
Estimated average useful lives	31 years
Investment in operating leases \| Property, Plant and Equipment, Other Types
Significant Accounting Policies [Line Items]
Estimated average useful lives	6 years
Other Operating Assets
Significant Accounting Policies [Line Items]
Depreciation expenses	15,129	8,072	6,547
Accumulated depreciation	62,182	48,313
Other Operating Assets \| Property, Plant and Equipment, Other Types \| Maximum
Significant Accounting Policies [Line Items]
Estimated average useful lives	20 years
Other Operating Assets \| Buildings \| Maximum
Significant Accounting Policies [Line Items]
Estimated average useful lives	50 years
Other Operating Assets \| Land improvement \| Maximum
Significant Accounting Policies [Line Items]
Estimated average useful lives	60 years
Office Facilities
Significant Accounting Policies [Line Items]
Depreciation expenses	3,494	2,994	3,228
Accumulated depreciation	¥ 39,747	¥ 41,698
Office Facilities \| Buildings and fixtures \| Maximum
Significant Accounting Policies [Line Items]
Estimated average useful lives	62 years
Office Facilities \| Machinery and equipment \| Maximum
Significant Accounting Policies [Line Items]
Estimated average useful lives	20 years