Restructuring Charges - Fiscal 2012 (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended									32 Months Ended		9 Months Ended		9 Months Ended					9 Months Ended		32 Months Ended	9 Months Ended		32 Months Ended	9 Months Ended				32 Months Ended	9 Months Ended		32 Months Ended	9 Months Ended		32 Months Ended	9 Months Ended		32 Months Ended	9 Months Ended		32 Months Ended	9 Months Ended		32 Months Ended	9 Months Ended		32 Months Ended	9 Months Ended		32 Months Ended	9 Months Ended		32 Months Ended	9 Months Ended		32 Months Ended	9 Months Ended		32 Months Ended	9 Months Ended		32 Months Ended	9 Months Ended				32 Months Ended	9 Months Ended		32 Months Ended	9 Months Ended		32 Months Ended	9 Months Ended		32 Months Ended	9 Months Ended		32 Months Ended	9 Months Ended		32 Months Ended	9 Months Ended		32 Months Ended	9 Months Ended		32 Months Ended	9 Months Ended		32 Months Ended	9 Months Ended		32 Months Ended	9 Months Ended		32 Months Ended	9 Months Ended		32 Months Ended	9 Months Ended		32 Months Ended	9 Months Ended		32 Months Ended	9 Months Ended		32 Months Ended
	Nov. 02, 2013	Nov. 03, 2012	Nov. 02, 2013	Nov. 03, 2012	Nov. 02, 2013 Termination benefits [Member]		Nov. 02, 2013 Facility closure and other costs [Member]	Nov. 03, 2012 Facility closure and other costs [Member]	Nov. 02, 2013 Restructuring Program 2012 [Member]	Nov. 03, 2012 Restructuring Program 2012 [Member]		Nov. 02, 2013 Restructuring Program 2012 [Member]	Mar. 03, 2012 Restructuring Program 2012 [Member]	Nov. 03, 2012 Restructuring Program 2012 [Member] Termination benefits [Member]	Mar. 03, 2012 Restructuring Program 2012 [Member] Termination benefits [Member]	Nov. 02, 2013 Restructuring Program 2012 [Member] Facility closure and other costs [Member]		Nov. 03, 2012 Restructuring Program 2012 [Member] Facility closure and other costs [Member]		Mar. 03, 2012 Restructuring Program 2012 [Member] Facility closure and other costs [Member]	Nov. 02, 2013 Restructuring Program 2012 [Member] Domestic [Member]	Nov. 03, 2012 Restructuring Program 2012 [Member] Domestic [Member]	Nov. 02, 2013 Restructuring Program 2012 [Member] Domestic [Member]	Nov. 02, 2013 Restructuring Program 2012 [Member] International [Member]	Nov. 03, 2012 Restructuring Program 2012 [Member] International [Member]	Nov. 02, 2013 Restructuring Program 2012 [Member] International [Member]	Nov. 02, 2013 Continuing Operations [Member]	Nov. 03, 2012 Continuing Operations [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2012 [Member]	Nov. 03, 2012 Continuing Operations [Member] Restructuring Program 2012 [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2012 [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2012 [Member] Property and equipment impairments [Member]	Nov. 03, 2012 Continuing Operations [Member] Restructuring Program 2012 [Member] Property and equipment impairments [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2012 [Member] Property and equipment impairments [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2012 [Member] Termination benefits [Member]	Nov. 03, 2012 Continuing Operations [Member] Restructuring Program 2012 [Member] Termination benefits [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2012 [Member] Termination benefits [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2012 [Member] Facility closure and other costs [Member]	Nov. 03, 2012 Continuing Operations [Member] Restructuring Program 2012 [Member] Facility closure and other costs [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2012 [Member] Facility closure and other costs [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2012 [Member] Domestic [Member]	Nov. 03, 2012 Continuing Operations [Member] Restructuring Program 2012 [Member] Domestic [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2012 [Member] Domestic [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2012 [Member] Domestic [Member] Property and equipment impairments [Member]	Nov. 03, 2012 Continuing Operations [Member] Restructuring Program 2012 [Member] Domestic [Member] Property and equipment impairments [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2012 [Member] Domestic [Member] Property and equipment impairments [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2012 [Member] Domestic [Member] Termination benefits [Member]	Nov. 03, 2012 Continuing Operations [Member] Restructuring Program 2012 [Member] Domestic [Member] Termination benefits [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2012 [Member] Domestic [Member] Termination benefits [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2012 [Member] Domestic [Member] Facility closure and other costs [Member]	Nov. 03, 2012 Continuing Operations [Member] Restructuring Program 2012 [Member] Domestic [Member] Facility closure and other costs [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2012 [Member] Domestic [Member] Facility closure and other costs [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2012 [Member] International [Member]	Nov. 03, 2012 Continuing Operations [Member] Restructuring Program 2012 [Member] International [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2012 [Member] International [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2012 [Member] International [Member] Property and equipment impairments [Member]	Nov. 03, 2012 Continuing Operations [Member] Restructuring Program 2012 [Member] International [Member] Property and equipment impairments [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2012 [Member] International [Member] Property and equipment impairments [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2012 [Member] International [Member] Termination benefits [Member]	Nov. 03, 2012 Continuing Operations [Member] Restructuring Program 2012 [Member] International [Member] Termination benefits [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2012 [Member] International [Member] Termination benefits [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2012 [Member] International [Member] Facility closure and other costs [Member]	Nov. 03, 2012 Continuing Operations [Member] Restructuring Program 2012 [Member] International [Member] Facility closure and other costs [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2012 [Member] International [Member] Facility closure and other costs [Member]	Nov. 02, 2013 Discontinued Operations [Member]	Nov. 03, 2012 Discontinued Operations [Member]	Nov. 02, 2013 Discontinued Operations [Member] Restructuring Program 2012 [Member]	Nov. 03, 2012 Discontinued Operations [Member] Restructuring Program 2012 [Member]	Nov. 02, 2013 Discontinued Operations [Member] Restructuring Program 2012 [Member]	Nov. 02, 2013 Discontinued Operations [Member] Restructuring Program 2012 [Member] Property and equipment impairments [Member]	Nov. 03, 2012 Discontinued Operations [Member] Restructuring Program 2012 [Member] Property and equipment impairments [Member]	Nov. 02, 2013 Discontinued Operations [Member] Restructuring Program 2012 [Member] Property and equipment impairments [Member]	Nov. 02, 2013 Discontinued Operations [Member] Restructuring Program 2012 [Member] Termination benefits [Member]	Nov. 03, 2012 Discontinued Operations [Member] Restructuring Program 2012 [Member] Termination benefits [Member]	Nov. 02, 2013 Discontinued Operations [Member] Restructuring Program 2012 [Member] Termination benefits [Member]	Nov. 02, 2013 Discontinued Operations [Member] Restructuring Program 2012 [Member] Facility closure and other costs [Member]	Nov. 03, 2012 Discontinued Operations [Member] Restructuring Program 2012 [Member] Facility closure and other costs [Member]	Nov. 02, 2013 Discontinued Operations [Member] Restructuring Program 2012 [Member] Facility closure and other costs [Member]	Nov. 02, 2013 Discontinued Operations [Member] Restructuring Program 2012 [Member] Inventory write-downs [Member]	Nov. 03, 2012 Discontinued Operations [Member] Restructuring Program 2012 [Member] Inventory write-downs [Member]	Nov. 02, 2013 Discontinued Operations [Member] Restructuring Program 2012 [Member] Inventory write-downs [Member]	Nov. 02, 2013 Discontinued Operations [Member] Restructuring Program 2012 [Member] Domestic [Member]	Nov. 03, 2012 Discontinued Operations [Member] Restructuring Program 2012 [Member] Domestic [Member]	Nov. 02, 2013 Discontinued Operations [Member] Restructuring Program 2012 [Member] Domestic [Member]	Nov. 02, 2013 Discontinued Operations [Member] Restructuring Program 2012 [Member] Domestic [Member] Property and equipment impairments [Member]	Nov. 03, 2012 Discontinued Operations [Member] Restructuring Program 2012 [Member] Domestic [Member] Property and equipment impairments [Member]	Nov. 02, 2013 Discontinued Operations [Member] Restructuring Program 2012 [Member] Domestic [Member] Property and equipment impairments [Member]	Nov. 02, 2013 Discontinued Operations [Member] Restructuring Program 2012 [Member] Domestic [Member] Termination benefits [Member]	Nov. 03, 2012 Discontinued Operations [Member] Restructuring Program 2012 [Member] Domestic [Member] Termination benefits [Member]	Nov. 02, 2013 Discontinued Operations [Member] Restructuring Program 2012 [Member] Domestic [Member] Termination benefits [Member]	Nov. 02, 2013 Discontinued Operations [Member] Restructuring Program 2012 [Member] Domestic [Member] Facility closure and other costs [Member]	Nov. 03, 2012 Discontinued Operations [Member] Restructuring Program 2012 [Member] Domestic [Member] Facility closure and other costs [Member]	Nov. 02, 2013 Discontinued Operations [Member] Restructuring Program 2012 [Member] Domestic [Member] Facility closure and other costs [Member]	Nov. 02, 2013 Discontinued Operations [Member] Restructuring Program 2012 [Member] Domestic [Member] Inventory write-downs [Member]	Nov. 03, 2012 Discontinued Operations [Member] Restructuring Program 2012 [Member] Domestic [Member] Inventory write-downs [Member]	Nov. 02, 2013 Discontinued Operations [Member] Restructuring Program 2012 [Member] Domestic [Member] Inventory write-downs [Member]	Nov. 02, 2013 Discontinued Operations [Member] Restructuring Program 2012 [Member] International [Member]	Nov. 03, 2012 Discontinued Operations [Member] Restructuring Program 2012 [Member] International [Member]	Nov. 02, 2013 Discontinued Operations [Member] Restructuring Program 2012 [Member] International [Member]	Nov. 02, 2013 Discontinued Operations [Member] Restructuring Program 2012 [Member] International [Member] Property and equipment impairments [Member]	Nov. 03, 2012 Discontinued Operations [Member] Restructuring Program 2012 [Member] International [Member] Property and equipment impairments [Member]	Nov. 02, 2013 Discontinued Operations [Member] Restructuring Program 2012 [Member] International [Member] Property and equipment impairments [Member]	Nov. 02, 2013 Discontinued Operations [Member] Restructuring Program 2012 [Member] International [Member] Termination benefits [Member]	Nov. 03, 2012 Discontinued Operations [Member] Restructuring Program 2012 [Member] International [Member] Termination benefits [Member]	Nov. 02, 2013 Discontinued Operations [Member] Restructuring Program 2012 [Member] International [Member] Termination benefits [Member]	Nov. 02, 2013 Discontinued Operations [Member] Restructuring Program 2012 [Member] International [Member] Facility closure and other costs [Member]	Nov. 03, 2012 Discontinued Operations [Member] Restructuring Program 2012 [Member] International [Member] Facility closure and other costs [Member]	Nov. 02, 2013 Discontinued Operations [Member] Restructuring Program 2012 [Member] International [Member] Facility closure and other costs [Member]	Nov. 02, 2013 Discontinued Operations [Member] Restructuring Program 2012 [Member] International [Member] Inventory write-downs [Member]	Nov. 03, 2012 Discontinued Operations [Member] Restructuring Program 2012 [Member] International [Member] Inventory write-downs [Member]	Nov. 02, 2013 Discontinued Operations [Member] Restructuring Program 2012 [Member] International [Member] Inventory write-downs [Member]
Restructuring Cost and Reserve [Line Items]
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			144	251					5	1														5	(5)		44	252	0	6		0	1		0	0		0	5														0	0		0	0		0	0		0	0		100	(1)	5	(5)		0	0		0	1		5	(6)		0	0																	5	(5)		0	0		0	1		5	(6)		0	0
Restructuring reserve, accrual adjustment, write-off remaining liability																(6)
Restructuring Reserve [Roll Forward]
Restructuring reserve, balance at the beginning of the period													102		17	36				85
Charges	31	34	44	252						3				1				2
Cash payments										(98)				(17)		(33)		(81)
Adjustments					(34)	[1]	0	34		25	[2]			0		(1)	[3]	25	[2]
Changes in foreign currency exchange rates										3				0		(2)		3
Restructuring reserve, balance at the end of the period										$ 35			$ 102	$ 1	$ 17	$ 0		$ 34		$ 85

[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] Included within the 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.

[3] Included within the 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.