CONDENSED CONSOLIDATED STATEMENTS OF EARNINGS AND COMPREHENSIVE INCOME (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Aug. 04, 2012	Jul. 30, 2011	Aug. 04, 2012	Jul. 30, 2011
Revenue	$ 10,547	$ 10,856	$ 22,157	$ 22,225
Cost of goods sold	7,983	8,094	16,686	16,542
Gross profit	2,564	2,762	5,471	5,683
Selling, general and administrative expenses	2,440	2,502	4,958	4,959
Restructuring charges	91	0	218	4
Operating income	33	260	295	720
Other income (expense)
Investment income and other	6	8	12	25
Interest expense	(30)	(33)	(63)	(61)
Earnings from continuing operations before income tax expense and equity in loss of affiliates	9	235	244	684
Income tax expense	14	87	86	242
Equity in loss of affiliates	(2)	0	(4)	(1)
Net (loss) earnings from continuing operations	(7)	148	154	441
Loss from discontinued operations (Note 3), net of tax (expense) benefit of ($3), $12, $3 and $32	0	(37)	(9)	(91)
Net (loss) earnings including noncontrolling interests	(7)	111	145	350
Net loss (earnings) from continuing operations attributable to noncontrolling interests	19	2	19	(36)
Net loss from discontinued operations attributable to noncontrolling interests	0	15	6	26
Net earnings (loss) attributable to Best Buy Co., Inc.	12	128	170	340
Basic (loss) earnings per share attributable to Best Buy Co., Inc.
Continuing operations	$ 0.04	$ 0.40	$ 0.51	$ 1.06
Discontinued operations	$ 0.00	$ (0.06)	$ (0.01)	$ (0.17)
Basic earnings per share	$ 0.04	$ 0.34	$ 0.50	$ 0.89
Diluted (loss) earnings per share attributable to Best Buy Co., Inc.
Continuing operations	$ 0.04	$ 0.39	$ 0.51	$ 1.04
Discontinued operations	$ 0.00	$ (0.05)	$ (0.01)	$ (0.17)
Diluted earnings per share	$ 0.04	$ 0.34	$ 0.50	$ 0.87
Dividends declared per common share (in dollars per share)	$ 0.16	$ 0.15	$ 0.32	$ 0.30
Weighted-average common shares outstanding (in millions)
Basic (in shares)	338.2	376.0	340.3	383.6
Diluted (in shares)	338.6	385.6	341.0	393.3
Comprehensive (loss) income including noncontrolling interests	(39)	123	157	505
Comprehensive loss (income) attributable to noncontrolling interests	39	12	25	(37)
Comprehensive income attributable to Best Buy Co., Inc.	$ 0	$ 135	$ 182	$ 468