Deferred sales proceeds under accounts receivable sales program.

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- Definition

Sales proceeds of accounts receivable held back and deferred in other current assets.

+ Details

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Period Type:	instant

- Definition

Total Collections Of Deferred Proceeds.

+ Details

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- Definition

The amount of proceeds from new securitizations or asset-backed financing arrangements during this reporting period for this class of securitization or asset-backed financing arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Staff Position (FSP)
-Number FAS140-4 and FIN46(R)-8
-Paragraph B11
-Subparagraph a(3)

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 140
-Paragraph 17
-Subparagraph h(4)

+ Details

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- Definition

The characteristics of transfers in securitization or asset-backed financing arrangements recognized as sales, including a description of the transferor's continued involvement with the transferred assets (including servicing, recourse, and restriction on interest) that continue to be held by the transferor.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Staff Position (FSP)
-Number FAS140-4 and FIN46(R)-8
-Paragraph B11
-Subparagraph a(2)

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 140
-Paragraph 17
-Subparagraph h(2)

+ Details

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- Definition

The face amount of accounts receivable that will be sold to other entities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Statement of Position (SOP)
-Number 01-6
-Paragraph 13
-Subparagraph d

+ Details

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- Details

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Transfer of Financial Assets (Details Textuals) In Millions	12 Months Ended
Transfer of Financial Assets (Details Textuals) In Millions	Mar. 31, 2011 Financial Services [Member] JPY (¥)	Mar. 31, 2010 Financial Services [Member] JPY (¥)	Mar. 31, 2009 Financial Services [Member] JPY (¥)	Mar. 31, 2011 Sony Corp [Member] JPY (¥)	Mar. 31, 2010 Sony Corp [Member] JPY (¥)	Mar. 31, 2009 Sony Corp [Member] JPY (¥)	Mar. 31, 2011 Bankruptcy-remote entity, which is consolidated by Sony's U.S. subsidiary [Member] JPY (¥)	Mar. 31, 2010 Bankruptcy-remote entity, which is consolidated by Sony's U.S. subsidiary [Member] JPY (¥)	Mar. 31, 2010 Bankruptcy-remote entity, which is consolidated by Sony's U.S. subsidiary [Member] USD ($)
Transfer of Financial Assets (Textuals) [Abstract]
Trade accounts receivable eligible for sale under accounts receivable sales programs	¥ 24,000			¥ 47,200					$ 450
Original due dates of receivable which company can sell	Not more than 180 days after the sales of receivables			Not more than 190 days after the sales of receivables
Trade accounts receivable sold	166,025	183,805	166,077	136,232	109,271	130,847	414,147	258,085
Sales proceeds of accounts receivable held back and deferred in other current assets							32,751
Deferred sales proceeds under accounts receivable sales program							185,647
Total collections of deferred proceeds							¥ 153,550