CONDENSED CONSOLIDATED STATEMENTS OF EARNINGS AND COMPREHENSIVE INCOME (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	May 05, 2012	Apr. 30, 2011
Revenue	$ 11,610	$ 11,369
Cost of goods sold	8,703	8,448
Gross profit	2,907	2,921
Selling, general and administrative expenses	2,518	2,457
Restructuring charges	127	4
Operating income	262	460
Other income (expense)
Investment income and other	6	17
Interest expense	(33)	(28)
Earnings from continuing operations before income tax expense and equity in loss of affiliates	235	449
Income tax expense	72	155
Equity in loss of affiliates	(2)	(1)
Net earnings from continuing operations	161	293
Loss from discontinued operations (Note 3), net of tax benefit of $6 and $20	(9)	(54)
Net earnings including noncontrolling interests	152	239
Net (earnings) from continuing operations attributable to noncontrolling interests	0	(38)
Net loss from discontinued operations attributable to noncontrolling interests	6	11
Net earnings (loss) attributable to Best Buy Co., Inc.	158	212
Basic (loss) earnings per share attributable to Best Buy Co., Inc.
Continuing operations	$ 0.47	$ 0.65
Discontinued operations	$ (0.01)	$ (0.11)
Basic earnings per share	$ 0.46	$ 0.54
Diluted (loss) earnings per share attributable to Best Buy Co., Inc.
Continuing operations	$ 0.47	$ 0.64
Discontinued operations	$ (0.01)	$ (0.11)
Diluted earnings per share	$ 0.46	$ 0.53
Dividends declared per common share (in dollars per share)	$ 0.16	$ 0.15
Weighted-average common shares outstanding (in millions)
Basic (in shares)	342.2	391.1
Diluted (in shares)	342.8	400.7
Comprehensive income including noncontrolling interests	196	382
Comprehensive (income) attributable to noncontrolling interests	(14)	(49)
Comprehensive income attributable to Best Buy Co., Inc.	$ 182	$ 333