Earnings per Share (Tables)

6 Months Ended

Aug. 02, 2014

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 2, 2014			August 3, 2013		August 2, 2014			August 3, 2013
Numerator
Net earnings from continuing operations	$	146		$	237	$	607		$	334
Net earnings from continuing operations attributable to noncontrolling interests	(1		)	—		(1		)	—
Net earnings from continuing operations attributable to Best Buy Co., Inc.	$	145		$	237	$	606		$	334
Denominator
Weighted-average common shares outstanding	349.3			340.4		348.4			339.7
Effect of potentially dilutive securities:
Nonvested share awards	2.9			4.0		3.2			3.3
Weighted-average common shares outstanding, assuming dilution	352.2			344.4		351.6			343.0
Net earnings per share from continuing operations attributable to Best Buy Co., Inc.
Basic	$	0.42		$	0.69	$	1.74		$	0.98
Diluted	$	0.42		$	0.69	$	1.73		$	0.97