Restructuring Charges - Fiscal 2013 Europe (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended									8 Months Ended	9 Months Ended								15 Months Ended	9 Months Ended		15 Months Ended	9 Months Ended		15 Months Ended	9 Months Ended		15 Months Ended	9 Months Ended		15 Months Ended	9 Months Ended		15 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 2013 Europe [Member]		Nov. 03, 2012 Restructuring Program 2013 Europe [Member]	Nov. 03, 2012 Restructuring Program 2013 Europe [Member] Termination benefits [Member]	Nov. 02, 2013 Restructuring Program 2013 Europe [Member] Termination benefits [Member]	Nov. 02, 2013 Restructuring Program 2013 Europe [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 2013 Europe [Member]	Nov. 03, 2012 Discontinued Operations [Member] Restructuring Program 2013 Europe [Member]	Nov. 02, 2013 Discontinued Operations [Member] Restructuring Program 2013 Europe [Member] International [Member]	Nov. 03, 2012 Discontinued Operations [Member] Restructuring Program 2013 Europe [Member] International [Member]	Nov. 02, 2013 Discontinued Operations [Member] Restructuring Program 2013 Europe [Member] International [Member]	Nov. 02, 2013 Discontinued Operations [Member] Restructuring Program 2013 Europe [Member] International [Member] Inventory write-downs [Member]	Nov. 03, 2012 Discontinued Operations [Member] Restructuring Program 2013 Europe [Member] International [Member] Inventory write-downs [Member]	Nov. 02, 2013 Discontinued Operations [Member] Restructuring Program 2013 Europe [Member] International [Member] Inventory write-downs [Member]	Nov. 02, 2013 Discontinued Operations [Member] Restructuring Program 2013 Europe [Member] International [Member] Property and equipment impairments [Member]	Nov. 03, 2012 Discontinued Operations [Member] Restructuring Program 2013 Europe [Member] International [Member] Property and equipment impairments [Member]	Nov. 02, 2013 Discontinued Operations [Member] Restructuring Program 2013 Europe [Member] International [Member] Property and equipment impairments [Member]	Nov. 02, 2013 Discontinued Operations [Member] Restructuring Program 2013 Europe [Member] International [Member] Termination benefits [Member]	Nov. 03, 2012 Discontinued Operations [Member] Restructuring Program 2013 Europe [Member] International [Member] Termination benefits [Member]	Nov. 02, 2013 Discontinued Operations [Member] Restructuring Program 2013 Europe [Member] International [Member] Termination benefits [Member]	Nov. 02, 2013 Discontinued Operations [Member] Restructuring Program 2013 Europe [Member] International [Member] Tradename impairment [Member]	Nov. 03, 2012 Discontinued Operations [Member] Restructuring Program 2013 Europe [Member] International [Member] Tradename impairment [Member]	Nov. 02, 2013 Discontinued Operations [Member] Restructuring Program 2013 Europe [Member] International [Member] Tradename impairment [Member]	Nov. 02, 2013 Discontinued Operations [Member] Restructuring Program 2013 Europe [Member] International [Member] Facility closure and other costs [Member]	Nov. 03, 2012 Discontinued Operations [Member] Restructuring Program 2013 Europe [Member] International [Member] Facility closure and other costs [Member]	Nov. 02, 2013 Discontinued Operations [Member] Restructuring Program 2013 Europe [Member] International [Member] Facility closure and other costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges			$ 144	$ 251					$ 95		$ 2				$ 100	$ (1)	$ 95	$ 2	$ 95	$ 2	$ 131	$ 7	$ 0	$ 7	$ 45	$ 0	$ 57	$ 36	$ 2	$ 55	$ 4	$ 0	$ 4	$ 3	$ 0	$ 8
Restructuring Reserve [Roll Forward]
Restructuring reserve, balance at the beginning of the period									5			0	0	5
Charges	31	34	44	252					38			2	36	2
Cash payments									(9)			(2)	(2)	(7)
Adjustments					(34)	[1]	0	34	(34)	[1]
Restructuring reserve, balance at the end of the period									$ 0			$ 0	$ 0	$ 0

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