Restructuring Charges Restructuring Charges - Fiscal 2012 (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended							29 Months Ended		6 Months Ended		6 Months Ended						6 Months Ended		29 Months Ended	6 Months Ended		29 Months Ended	6 Months Ended				29 Months Ended	6 Months Ended		29 Months Ended	6 Months Ended		29 Months Ended	6 Months Ended		29 Months Ended	6 Months Ended		29 Months Ended	6 Months Ended		29 Months Ended	6 Months Ended		29 Months Ended	6 Months Ended		29 Months Ended	6 Months Ended		29 Months Ended	6 Months Ended		29 Months Ended	6 Months Ended		29 Months Ended	6 Months Ended		29 Months Ended	6 Months Ended				29 Months Ended	6 Months Ended		29 Months Ended	6 Months Ended		29 Months Ended	6 Months Ended		29 Months Ended	6 Months Ended		29 Months Ended	6 Months Ended		29 Months Ended	6 Months Ended		29 Months Ended	6 Months Ended		29 Months Ended	6 Months Ended		29 Months Ended	6 Months Ended		29 Months Ended	6 Months Ended		29 Months Ended	6 Months Ended		29 Months Ended	6 Months Ended		29 Months Ended	6 Months Ended		29 Months Ended	6 Months Ended		29 Months Ended
	Aug. 03, 2013	Aug. 04, 2012	Aug. 03, 2013	Aug. 04, 2012	Aug. 03, 2013 Termination benefits [Member]		Aug. 03, 2013 Facility closure and other costs [Member]	Aug. 03, 2013 Restructuring Program 2012 [Member]	Aug. 04, 2012 Restructuring Program 2012 [Member]	Aug. 03, 2013 Restructuring Program 2012 [Member]	Mar. 03, 2012 Restructuring Program 2012 [Member]	Aug. 04, 2012 Restructuring Program 2012 [Member] Termination benefits [Member]	Mar. 03, 2012 Restructuring Program 2012 [Member] Termination benefits [Member]	Aug. 03, 2013 Restructuring Program 2012 [Member] Facility closure and other costs [Member]		Aug. 04, 2012 Restructuring Program 2012 [Member] Facility closure and other costs [Member]		Feb. 02, 2013 Restructuring Program 2012 [Member] Facility closure and other costs [Member]	Mar. 03, 2012 Restructuring Program 2012 [Member] Facility closure and other costs [Member]	Aug. 03, 2013 Restructuring Program 2012 [Member] Domestic Segment [Member]	Aug. 04, 2012 Restructuring Program 2012 [Member] Domestic Segment [Member]	Aug. 03, 2013 Restructuring Program 2012 [Member] Domestic Segment [Member]	Aug. 03, 2013 Restructuring Program 2012 [Member] International Segment [Member]	Aug. 04, 2012 Restructuring Program 2012 [Member] International Segment [Member]	Aug. 03, 2013 Restructuring Program 2012 [Member] International Segment [Member]	Aug. 03, 2013 Segment, Continuing Operations [Member]	Aug. 04, 2012 Segment, Continuing Operations [Member]	Aug. 03, 2013 Segment, Continuing Operations [Member] Restructuring Program 2012 [Member]	Aug. 04, 2012 Segment, Continuing Operations [Member] Restructuring Program 2012 [Member]	Aug. 03, 2013 Segment, Continuing Operations [Member] Restructuring Program 2012 [Member]	Aug. 03, 2013 Segment, Continuing Operations [Member] Restructuring Program 2012 [Member] Property and equipment write-downs [Member]	Aug. 04, 2012 Segment, Continuing Operations [Member] Restructuring Program 2012 [Member] Property and equipment write-downs [Member]	Aug. 03, 2013 Segment, Continuing Operations [Member] Restructuring Program 2012 [Member] Property and equipment write-downs [Member]	Aug. 03, 2013 Segment, Continuing Operations [Member] Restructuring Program 2012 [Member] Termination benefits [Member]	Aug. 04, 2012 Segment, Continuing Operations [Member] Restructuring Program 2012 [Member] Termination benefits [Member]	Aug. 03, 2013 Segment, Continuing Operations [Member] Restructuring Program 2012 [Member] Termination benefits [Member]	Aug. 03, 2013 Segment, Continuing Operations [Member] Restructuring Program 2012 [Member] Facility closure and other costs [Member]	Aug. 04, 2012 Segment, Continuing Operations [Member] Restructuring Program 2012 [Member] Facility closure and other costs [Member]	Aug. 03, 2013 Segment, Continuing Operations [Member] Restructuring Program 2012 [Member] Facility closure and other costs [Member]	Aug. 03, 2013 Segment, Continuing Operations [Member] Restructuring Program 2012 [Member] Domestic Segment [Member]	Aug. 04, 2012 Segment, Continuing Operations [Member] Restructuring Program 2012 [Member] Domestic Segment [Member]	Aug. 03, 2013 Segment, Continuing Operations [Member] Restructuring Program 2012 [Member] Domestic Segment [Member]	Aug. 03, 2013 Segment, Continuing Operations [Member] Restructuring Program 2012 [Member] Domestic Segment [Member] Property and equipment write-downs [Member]	Aug. 04, 2012 Segment, Continuing Operations [Member] Restructuring Program 2012 [Member] Domestic Segment [Member] Property and equipment write-downs [Member]	Aug. 03, 2013 Segment, Continuing Operations [Member] Restructuring Program 2012 [Member] Domestic Segment [Member] Property and equipment write-downs [Member]	Aug. 03, 2013 Segment, Continuing Operations [Member] Restructuring Program 2012 [Member] Domestic Segment [Member] Termination benefits [Member]	Aug. 04, 2012 Segment, Continuing Operations [Member] Restructuring Program 2012 [Member] Domestic Segment [Member] Termination benefits [Member]	Aug. 03, 2013 Segment, Continuing Operations [Member] Restructuring Program 2012 [Member] Domestic Segment [Member] Termination benefits [Member]	Aug. 03, 2013 Segment, Continuing Operations [Member] Restructuring Program 2012 [Member] Domestic Segment [Member] Facility closure and other costs [Member]	Aug. 04, 2012 Segment, Continuing Operations [Member] Restructuring Program 2012 [Member] Domestic Segment [Member] Facility closure and other costs [Member]	Aug. 03, 2013 Segment, Continuing Operations [Member] Restructuring Program 2012 [Member] Domestic Segment [Member] Facility closure and other costs [Member]	Aug. 03, 2013 Segment, Continuing Operations [Member] Restructuring Program 2012 [Member] International Segment [Member]	Aug. 04, 2012 Segment, Continuing Operations [Member] Restructuring Program 2012 [Member] International Segment [Member]	Aug. 03, 2013 Segment, Continuing Operations [Member] Restructuring Program 2012 [Member] International Segment [Member]	Aug. 03, 2013 Segment, Continuing Operations [Member] Restructuring Program 2012 [Member] International Segment [Member] Property and equipment write-downs [Member]	Aug. 04, 2012 Segment, Continuing Operations [Member] Restructuring Program 2012 [Member] International Segment [Member] Property and equipment write-downs [Member]	Aug. 03, 2013 Segment, Continuing Operations [Member] Restructuring Program 2012 [Member] International Segment [Member] Property and equipment write-downs [Member]	Aug. 03, 2013 Segment, Continuing Operations [Member] Restructuring Program 2012 [Member] International Segment [Member] Termination benefits [Member]	Aug. 04, 2012 Segment, Continuing Operations [Member] Restructuring Program 2012 [Member] International Segment [Member] Termination benefits [Member]	Aug. 03, 2013 Segment, Continuing Operations [Member] Restructuring Program 2012 [Member] International Segment [Member] Termination benefits [Member]	Aug. 03, 2013 Segment, Continuing Operations [Member] Restructuring Program 2012 [Member] International Segment [Member] Facility closure and other costs [Member]	Aug. 04, 2012 Segment, Continuing Operations [Member] Restructuring Program 2012 [Member] International Segment [Member] Facility closure and other costs [Member]	Aug. 03, 2013 Segment, Continuing Operations [Member] Restructuring Program 2012 [Member] International Segment [Member] Facility closure and other costs [Member]	Aug. 03, 2013 Segment, Discontinued Operations [Member]	Aug. 04, 2012 Segment, Discontinued Operations [Member]	Aug. 03, 2013 Segment, Discontinued Operations [Member] Restructuring Program 2012 [Member]	Aug. 04, 2012 Segment, Discontinued Operations [Member] Restructuring Program 2012 [Member]	Aug. 03, 2013 Segment, Discontinued Operations [Member] Restructuring Program 2012 [Member]	Aug. 03, 2013 Segment, Discontinued Operations [Member] Restructuring Program 2012 [Member] Property and equipment write-downs [Member]	Aug. 04, 2012 Segment, Discontinued Operations [Member] Restructuring Program 2012 [Member] Property and equipment write-downs [Member]	Aug. 03, 2013 Segment, Discontinued Operations [Member] Restructuring Program 2012 [Member] Property and equipment write-downs [Member]	Aug. 03, 2013 Segment, Discontinued Operations [Member] Restructuring Program 2012 [Member] Termination benefits [Member]	Aug. 04, 2012 Segment, Discontinued Operations [Member] Restructuring Program 2012 [Member] Termination benefits [Member]	Aug. 03, 2013 Segment, Discontinued Operations [Member] Restructuring Program 2012 [Member] Termination benefits [Member]	Aug. 03, 2013 Segment, Discontinued Operations [Member] Restructuring Program 2012 [Member] Facility closure and other costs [Member]	Aug. 04, 2012 Segment, Discontinued Operations [Member] Restructuring Program 2012 [Member] Facility closure and other costs [Member]	Aug. 03, 2013 Segment, Discontinued Operations [Member] Restructuring Program 2012 [Member] Facility closure and other costs [Member]	Aug. 03, 2013 Segment, Discontinued Operations [Member] Restructuring Program 2012 [Member] Inventory write-downs [Member]	Aug. 04, 2012 Segment, Discontinued Operations [Member] Restructuring Program 2012 [Member] Inventory write-downs [Member]	Aug. 03, 2013 Segment, Discontinued Operations [Member] Restructuring Program 2012 [Member] Inventory write-downs [Member]	Aug. 03, 2013 Segment, Discontinued Operations [Member] Restructuring Program 2012 [Member] Domestic Segment [Member]	Aug. 04, 2012 Segment, Discontinued Operations [Member] Restructuring Program 2012 [Member] Domestic Segment [Member]	Aug. 03, 2013 Segment, Discontinued Operations [Member] Restructuring Program 2012 [Member] Domestic Segment [Member]	Aug. 03, 2013 Segment, Discontinued Operations [Member] Restructuring Program 2012 [Member] Domestic Segment [Member] Property and equipment write-downs [Member]	Aug. 04, 2012 Segment, Discontinued Operations [Member] Restructuring Program 2012 [Member] Domestic Segment [Member] Property and equipment write-downs [Member]	Aug. 03, 2013 Segment, Discontinued Operations [Member] Restructuring Program 2012 [Member] Domestic Segment [Member] Property and equipment write-downs [Member]	Aug. 03, 2013 Segment, Discontinued Operations [Member] Restructuring Program 2012 [Member] Domestic Segment [Member] Termination benefits [Member]	Aug. 04, 2012 Segment, Discontinued Operations [Member] Restructuring Program 2012 [Member] Domestic Segment [Member] Termination benefits [Member]	Aug. 03, 2013 Segment, Discontinued Operations [Member] Restructuring Program 2012 [Member] Domestic Segment [Member] Termination benefits [Member]	Aug. 03, 2013 Segment, Discontinued Operations [Member] Restructuring Program 2012 [Member] Domestic Segment [Member] Facility closure and other costs [Member]	Aug. 04, 2012 Segment, Discontinued Operations [Member] Restructuring Program 2012 [Member] Domestic Segment [Member] Facility closure and other costs [Member]	Aug. 03, 2013 Segment, Discontinued Operations [Member] Restructuring Program 2012 [Member] Domestic Segment [Member] Facility closure and other costs [Member]	Aug. 03, 2013 Segment, Discontinued Operations [Member] Restructuring Program 2012 [Member] Domestic Segment [Member] Inventory write-downs [Member]	Aug. 04, 2012 Segment, Discontinued Operations [Member] Restructuring Program 2012 [Member] Domestic Segment [Member] Inventory write-downs [Member]	Aug. 03, 2013 Segment, Discontinued Operations [Member] Restructuring Program 2012 [Member] Domestic Segment [Member] Inventory write-downs [Member]	Aug. 03, 2013 Segment, Discontinued Operations [Member] Restructuring Program 2012 [Member] International Segment [Member]	Aug. 04, 2012 Segment, Discontinued Operations [Member] Restructuring Program 2012 [Member] International Segment [Member]	Aug. 03, 2013 Segment, Discontinued Operations [Member] Restructuring Program 2012 [Member] International Segment [Member]	Aug. 03, 2013 Segment, Discontinued Operations [Member] Restructuring Program 2012 [Member] International Segment [Member] Property and equipment write-downs [Member]	Aug. 04, 2012 Segment, Discontinued Operations [Member] Restructuring Program 2012 [Member] International Segment [Member] Property and equipment write-downs [Member]	Aug. 03, 2013 Segment, Discontinued Operations [Member] Restructuring Program 2012 [Member] International Segment [Member] Property and equipment write-downs [Member]	Aug. 03, 2013 Segment, Discontinued Operations [Member] Restructuring Program 2012 [Member] International Segment [Member] Termination benefits [Member]	Aug. 04, 2012 Segment, Discontinued Operations [Member] Restructuring Program 2012 [Member] International Segment [Member] Termination benefits [Member]	Aug. 03, 2013 Segment, Discontinued Operations [Member] Restructuring Program 2012 [Member] International Segment [Member] Termination benefits [Member]	Aug. 03, 2013 Segment, Discontinued Operations [Member] Restructuring Program 2012 [Member] International Segment [Member] Facility closure and other costs [Member]	Aug. 04, 2012 Segment, Discontinued Operations [Member] Restructuring Program 2012 [Member] International Segment [Member] Facility closure and other costs [Member]	Aug. 03, 2013 Segment, Discontinued Operations [Member] Restructuring Program 2012 [Member] International Segment [Member] Facility closure and other costs [Member]	Aug. 03, 2013 Segment, Discontinued Operations [Member] Restructuring Program 2012 [Member] International Segment [Member] Inventory write-downs [Member]	Aug. 04, 2012 Segment, Discontinued Operations [Member] Restructuring Program 2012 [Member] International Segment [Member] Inventory write-downs [Member]	Aug. 03, 2013 Segment, Discontinued Operations [Member] Restructuring Program 2012 [Member] International Segment [Member] Inventory write-downs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Accrual Adjustment, Write-off Related to Sale of Business														$ (6)
Restructuring Reserve									47		102	1	17	0		46		36	85
Restructuring charges			113	223				5	9														5	3		13	218	0	6		0	1		0	0		0	5														0	0		0	0		0	0		0	0		100	5	5	3		0	0		0	1		5	2		0	0																	5	3		0	0		0	1		5	2		0	0
Cumulative amount										246										0	6	23			223					38			32			1			5	0	6	23	0	1	17	0	0	1	0	5	5			15			15			0			0					208			96			17			84			11	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0			208			96			17			84			11
Restructuring charges	7	91	13	218					3			1				2
Payments for Restructuring									94			17		33		77
Restructuring Reserve, Accrual Adjustment					(34)	[1]	0		(34)			0		(1)	[2]	(34)	[3]
Restructuring Reserve, Translation Adjustment									$ 2			$ 0		$ (2)		$ 2

[1] (1) Represents the remaining liability written off as a result of the sale of Best Buy Europe, as described in Note 2, Discontinued Operations.

[2] (1) Included within Adjustments is a $5 million charge related to a change in sublease assumptions, offset by a $(6) million adjustment to write off the remaining liability as a result of the sale of Best Buy Europe, as described in Note 2, Discontinued Operations.

[3] (1) Included within Adjustments to facility closure and other costs is $34 million from the first quarter of fiscal 2013, representing an adjustment to exclude non-cash charges or benefits, which had no impact on our Consolidated Statements of Earnings in the first quarter of fiscal 2013.