The aggregate amount of goodwill acquired in the period and allocated to the reportable segment. The value is stated at fair value based on the purchase price allocation.

+ References+ Details

Loss recognized during the period that results from the write-down of goodwill after comparing the implied fair value of reporting unit goodwill with the carrying amount of that goodwill. Goodwill is assessed at least annually for impairment.

+ References

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+ Details

Profit Share Buy-Out (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended				3 Months Ended	12 Months Ended
	Aug. 30, 2008	Mar. 03, 2012	Feb. 26, 2011	Feb. 27, 2010	Feb. 28, 2009 Best Buy Europe [Member]	Mar. 03, 2012 International [Member]	Mar. 03, 2012 International [Member]	Feb. 26, 2011 International [Member]	Feb. 28, 2009 Carphone Warehouse Group plc [Member]	Feb. 28, 2009 Carphone Warehouse Group plc [Member] Best Buy Europe [Member]	Mar. 03, 2012 Best Buy Europe [Member]
Profit Share Buy-Out [Line Items]
Percentage of controlling interest acquired					50.00%
Percentage Noncontrolling Interests Held									50.00%
Goodwill, Acquired During Period	$ 1,491	$ 94	$ 5				$ 0	$ 5
Percent of after-tax income arising from the profit share agreement										50.00%
Profit share agreement, buy-out price											1,303
Goodwill impairment		$ 1,207	$ 0	$ 0		$ 1,207	$ 1,207	$ 0
Reporting period lag for consolidation of financial results (in months)		2 months
Impairment of goodwill, discount rate (as a percent)		9.00%