Earnings per Share (Tables)

6 Months Ended

Aug. 01, 2015

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. ($ and shares in millions):

	Three Months Ended				Six Months Ended
	August 1, 2015		August 2, 2014		August 1, 2015		August 2, 2014
Numerator
Net earnings from continuing operations attributable to Best Buy Co., Inc.	$	164	$	137	$	201	$	606
Denominator
Weighted-average common shares outstanding	349.6		349.3		351.0		348.4
Effect of potentially dilutive securities:
Nonvested share awards	4.3		2.9		4.8		3.2
Weighted-average common shares outstanding, assuming dilution	353.9		352.2		355.8		351.6
Net earnings per share from continuing operations attributable to Best Buy Co., Inc.
Basic	$	0.47	$	0.39	$	0.57	$	1.74
Diluted	$	0.46	$	0.39	$	0.57	$	1.73