CONDENSED CONSOLIDATED STATEMENTS OF EARNINGS AND COMPREHENSIVE INCOME (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Nov. 03, 2012	Oct. 29, 2011	Nov. 03, 2012	Oct. 29, 2011
Revenue	$ 10,753	$ 11,145	$ 32,910	$ 33,370
Cost of goods sold	8,167	8,292	24,853	24,834
Gross profit	2,586	2,853	8,057	8,536
Selling, general and administrative expenses	2,538	2,472	7,496	7,431
Restructuring charges	36	0	254	4
Operating income	12	381	307	1,101
Other income (expense)
Investment income and other	13	0	25	25
Interest expense	(31)	(37)	(94)	(98)
Earnings (loss) from continuing operations before income tax (benefit) expense and equity in loss of affiliates	(6)	344	238	1,028
Income tax (benefit) expense	(2)	122	84	364
Equity in loss of affiliates	(1)	(2)	(5)	(3)
Net earnings (loss) from continuing operations	(5)	220	149	661
Gain (loss) from discontinued operations (Note 3), net of tax benefit (expense) of ($2), $17, $2 and $49	6	(46)	(3)	(137)
Net earnings including noncontrolling interests	1	174	146	524
Net (earnings) loss from continuing operations attributable to noncontrolling interests	(8)	(47)	11	(83)
Net (gain) loss from discontinued operations attributable to noncontrolling interests	(3)	29	3	55
Net earnings (loss) attributable to Best Buy Co., Inc.	(10)	156	160	496
Basic earnings (loss) per share attributable to Best Buy Co., Inc.
Continuing operations	$ (0.04)	$ 0.48	$ 0.47	$ 1.53
Discontinued operations	$ 0.01	$ (0.05)	$ 0.00	$ (0.21)
Basic earnings (loss) per share	$ (0.03)	$ 0.43	$ 0.47	$ 1.32
Diluted earnings (loss) per share attributable to Best Buy Co., Inc.
Continuing operations	$ (0.04)	$ 0.47	$ 0.47	$ 1.51
Discontinued operations	$ 0.01	$ (0.05)	$ 0.00	$ (0.21)
Diluted earnings (loss) per share	$ (0.03)	$ 0.42	$ 0.47	$ 1.30
Dividends declared per common share (in dollars per share)	$ 0.17	$ 0.16	$ 0.49	$ 0.46
Weighted-average common shares outstanding (in millions)
Basic (in shares)	337.2	363.4	339.3	376.9
Diluted (in shares)	337.2	372.4	340.4	386.2
Comprehensive income including noncontrolling interests	34	6	191	511
Comprehensive (income) loss attributable to noncontrolling interests	(25)	14	0	(23)
Comprehensive income attributable to Best Buy Co., Inc.	$ 9	$ 20	$ 191	$ 488