The contract term in months, for derivatives not designated as hedging instruments.

No definition available.

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- Definition

The net cash inflow (gross proceeds less cash consideration paid at closing) associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

+ References

No definition available.

+ Details

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- Definition

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 13

-Sentence Column B

+ Details

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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)

-URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463

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- Details

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- Definition

Amount of gain (loss) recognized in earnings in the period from the increase (decrease) in fair value of foreign currency derivatives not designated as hedging instruments.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4A

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5618551-113959

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4C

-Subparagraph (e)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959

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Derivative Instruments (Details) In Millions, unless otherwise specified	3 Months Ended
	May 04, 2013 GBP (£)	May 03, 2014 Operating Expense [Member] Segment, Continuing Operations [Member] USD ($)	May 04, 2013 Operating Expense [Member] Segment, Continuing Operations [Member] USD ($)	May 04, 2013 Operating Expense [Member] Discontinued Operations [Member] USD ($)	May 03, 2014 Not Designated as Hedging Instrument [Member] Segment, Continuing Operations [Member] USD ($)	Feb. 01, 2014 Not Designated as Hedging Instrument [Member] Segment, Continuing Operations [Member] USD ($)	May 04, 2013 Not Designated as Hedging Instrument [Member] Segment, Continuing Operations [Member] USD ($)	May 04, 2013 Not Designated as Hedging Instrument [Member] Discontinued Operations [Member] USD ($)	May 04, 2013 Not Designated as Hedging Instrument [Member] Discontinued Operations [Member] GBP (£)	Feb. 28, 2009 Best Buy Europe [Member]
Derivatives, Fair Value [Line Items]
Contract term	12 months
Notional Amount					$ 140	$ 157	$ 51	$ 708	£ 455
Gain (loss) on foreign currency derivative instruments not designated as hedging instruments		(3)	1	(4)
Business Acquisition, Percentage of Voting Interests Acquired										50.00%
Proceeds from divestiture of businesses	£ 471