Earnings per Share (Tables)

3 Months Ended

May 05, 2012

Earnings Per Share [Abstract]

Schedule of Calculation of Numerator and Denominator in Earnings Per Share

The following table presents a reconciliation of the numerators and denominators of basic and diluted earnings per share attributable to Best Buy Co., Inc. (shares in millions):

	Three Months Ended
	May 5, 2012		April 30, 2011
			(recast)
Numerator
Net earnings from continuing operations	$	161	$	293
Net (earnings) from continuing operations attributable to noncontrolling interests	—		(38		)
Net earnings from continuing operations attributable to Best Buy Co., Inc., basic	161		255
Adjustment for assumed dilution:
Interest on convertible debentures, net of tax	—		1
Net earnings from continuing operations attributable to Best Buy Co., Inc., diluted	$	161	$	256
Denominator
Weighted-average common shares outstanding	342.2		391.1
Effect of potentially dilutive securities:
Shares from assumed conversion of convertible debentures	—		8.8
Stock options and other	0.6		0.8
Weighted-average common shares outstanding, assuming dilution	342.8		400.7
Net earnings per share from continuing operations attributable to Best Buy Co., Inc.
Basic	$	0.47	$	0.65
Diluted	$	0.47	$	0.64