Capital And Legal Reserves Appropriations

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- Definition

Capital And Legal Reserves Equal To Stated Capital

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- Definition

Employee Stock Compensation Stock Term

+ Details

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- Definition

Retained Earnings Restricted As To Payment Of Cash Dividends

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- Definition

Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

+ Details

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- Definition

Aggregate dividends paid during the period for each share of common stock outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Article 3

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- Definition

The aggregate amount of dividends declared, but not paid, as of the financial reporting date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 32

+ Details

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- Definition

The per share amount of a dividend declared, but not paid, as of the financial reporting date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 32

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- Definition

Description of the period of time over which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, which may be expressed in a variety of ways (for example, in years, month and year).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph A240
-Subparagraph a

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- Definition

Number of treasury shares reissued during the period. Upon reissuance, these are common and preferred shares outstanding.

+ References

+ Details

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- Definition

Number of shares that have been repurchased during the period and are being held in treasury.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Principles Board Opinion (APB)
-Number 12
-Paragraph 10

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Article 3

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 29, 30
-Article 5

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- Definition

Cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Principles Board Opinion (APB)
-Number 12
-Paragraph 10

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Article 3

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Research Bulletin (ARB)
-Number 43
-Chapter 1
-Section B
-Paragraph 7
-Subparagraph b

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Stockholders' Equity (Narrative) (Details) (JPY ¥) In Millions, except Share data, unless otherwise specified	12 Months Ended				36 Months Ended
	Mar. 31, 2011	Mar. 31, 2010	Mar. 31, 2009	Apr. 30, 2011	Mar. 31, 2011 Reserved for Options [Member]
Treasury stock acquired, shares	327,193	53,863	30,875,208
Treasury stock acquired, value	¥ 432	¥ 72	¥ 72,416
Treasury stock reissued, shares	15,100	17,731	399,673
Capital and legal reserves appropriations	10.00%
Capital and legal reserves equal to stated capital, percent	25.00%
Cash dividends per share	¥ 10	¥ 12.5	¥ 40
Board approved dividends per share				¥ 5
Board approved dividends				10,351
Retained earnings restricted as to payment of cash dividends	¥ 671,629
Stock options, vesting period	two
Stock options, vesting period	four
Treasury stock, shares					0