Earnings per Share (Tables)

9 Months Ended

Oct. 31, 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				Nine Months Ended
	October 31, 2015		November 1, 2014		October 31, 2015		November 1, 2014
Numerator
Net earnings from continuing operations attributable to Best Buy Co., Inc.	$	129	$	116	$	330	$	722
Denominator
Weighted-average common shares outstanding	344.7		350.1		348.9		349.0
Effect of potentially dilutive securities:
Nonvested share awards	4.3		3.9		4.7		3.5
Weighted-average common shares outstanding, assuming dilution	349.0		354.0		353.6		352.5
Net earnings per share from continuing operations attributable to Best Buy Co., Inc.
Basic	$	0.37	$	0.33	$	0.95	$	2.07
Diluted	$	0.37	$	0.33	$	0.93	$	2.04