Earnings per Share (Tables)

6 Months Ended

Aug. 03, 2013

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 from continuing operations attributable to Best Buy Co., Inc. shareholders ($ and shares in millions):

	Three Months Ended				Six Months Ended
	August 3, 2013		August 4, 2012		August 3, 2013		August 4, 2012
Numerator
Net earnings from continuing operations attributable to Best Buy Co., Inc. shareholders	$	237	$	31	$	334	$	200
Denominator
Weighted-average common shares outstanding	340.4		338.2		339.7		340.3
Effect of potentially dilutive securities:
Nonvested share awards	4.0		0.4		3.3		0.7
Weighted-average common shares outstanding, assuming dilution	344.4		338.6		343.0		341.0
Net earnings per share from continuing operations attributable to Best Buy Co., Inc. shareholders
Basic	$	0.69	$	0.09	$	0.98	$	0.59
Diluted	$	0.69	$	0.09	$	0.97	$	0.59