Business Acquisition, Number of Common Stock Acquired

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- Definition

Business Combination Contingent Consideration Acquisitions, Fair Value Remeasurement Gain (Loss)

+ References

No definition available.

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- Definition

Business Combination, Number of Preferred Stock Acquired

+ References

No definition available.

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- Definition

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, including Goodwill

+ References

No definition available.

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- Definition

Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition.

+ References

No definition available.

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- Definition

Number of shares of equity interests issued or issuable to acquire entity.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (b)(4)

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)

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- Definition

The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (d)

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- Definition

Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination.

+ References

No definition available.

+ Details

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 30

-Paragraph 7

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-Paragraph 1

-Subparagraph (b)

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- Definition

Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

+ References

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- Definition

Amount of liability recognized arising from contingent consideration in a business combination.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 35

-Paragraph 1

-Subparagraph b

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-Topic 805

-SubTopic 30

-Section 25

-Paragraph 6

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- Definition

Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (c)

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- Definition

Amount recognized as of the acquisition date for the assets, including goodwill, in excess of (less than) the aggregate liabilities assumed, less the noncontrolling interest in the acquiree.

+ References

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- Definition

Fair value at acquisition-date of the equity interest in the acquiree held by the acquirer, immediately before the acquisition date for businesses combined in stages.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (g)(1)

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- Definition

Percentage of voting equity interests acquired in a business combination achieved in stages, including equity interests in the acquiree held by the acquirer immediately before the acquisition date and acquired at the acquisition date.

+ References

No definition available.

+ Details

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- Definition

Percentage of equity in the acquiree held by the acquirer immediately before the acquisition date in a business combination.

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No definition available.

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- Definition

In a business combination achieved in stages, this element represents the amount of gain recognized by the entity as a result of remeasuring to fair value the equity interest in the acquiree it held before the business combination.

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-Publisher FASB

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- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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-Publisher FASB

-Name Accounting Standards Codification

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- Definition

This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses and taxes from ongoing operations before extraordinary items, and noncontrolling interest.

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-Name Accounting Standards Codification

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

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- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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-Name Accounting Standards Codification

-Topic 225

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-Section S99

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-Subparagraph (SX 210.5-03.1)

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-Name Regulation S-X (SX)

-Number 210

-Section 03

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-Article 5

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Acquisitions - Additional Information (Detail) (JPY ¥) In Millions, except Share data, unless otherwise specified	12 Months Ended				0 Months Ended	12 Months Ended					0 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2011	Jul. 01, 2013 Robeco Groep N. V.	Mar. 31, 2014 Robeco Groep N. V.	Mar. 31, 2014 Robeco Groep N. V. Other operating revenues	Mar. 31, 2014 Series of Individually Immaterial Business Acquisitions	Mar. 31, 2013 Series of Individually Immaterial Business Acquisitions	Mar. 31, 2012 Series of Individually Immaterial Business Acquisitions	Feb. 27, 2014 DAIKYO	Mar. 31, 2014 DAIKYO	Mar. 31, 2005 DAIKYO	Mar. 31, 2005 DAIKYO Type-1 preferred stock	Mar. 31, 2005 DAIKYO Type-2 preferred stock	Mar. 31, 2005 DAIKYO Type-4 preferred stock	Mar. 31, 2009 DAIKYO Type-7 preferred stock	Mar. 31, 2009 DAIKYO Type-8 preferred stock	Mar. 31, 2013 Scenario, Previously Reported Series of Individually Immaterial Business Acquisitions	Mar. 31, 2012 Scenario, Previously Reported Series of Individually Immaterial Business Acquisitions	Mar. 31, 2013 Scenario, Adjustment Series of Individually Immaterial Business Acquisitions	Mar. 31, 2012 Scenario, Adjustment Series of Individually Immaterial Business Acquisitions
Business Acquisition [Line Items]
Percentage of voting interests acquired		51.00%			90.01%
Total acquisition consideration					¥ 255,900	¥ 255,900						¥ 124,606
Consideration transferred for acquired interest					250,724.0
Acquisition, cost of acquired entity paid in cash					231,316			62,565	70,537	11,964
Other transfer to acquire interest					19,408
Shares issued for acquired interest					13,902,900
Shares price for acquired interest					¥ 1,396
Estimated fair value of contingent consideration					5,176	2,833
Contingent consideration remeasuresment reduction							2,343
Transaction costs					2,039						23
Goodwill	366,375	126,329	95,811	94,790		131,780		39,507											34,429	4,024	24,114	3,478
Acquired intangible assets other than goodwill						205,730		1,343											14,491	0	29,090	2,476
Revenues	1,341,651	1,055,764	964,779			111,027
Income from continuing operations	186,490	118,890	82,907			17,251
Number of common stock shares acquired in business acquisition											398,204,999		133,720,000
Number of preferred stock shares acquired in business acquisition														10,000,000	15,000,000	25,000,000	25,000,000	23,598,144
Percentage of ownership interest before the acquisition											31.70%
Percentage of ownership interest after the acquisition											64.10%
Business combination, step acquisition, equity interest in acquiree, fair value											124,606
Business combination, step acquisition, equity interest in acquiree, remeasurement gain											58,435
Goodwill and other intangible assets												43,426
Goodwill Available For Tax Deductions								¥ 1,184	¥ 6,964