Restructuring Charges - Renew Blue (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended													12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 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 Renew Blue [Member]	Nov. 02, 2013 Restructuring Program 2013 Renew Blue [Member] Termination benefits [Member]	Nov. 02, 2013 Restructuring Program 2013 Renew Blue [Member] Facility closure and other costs [Member]	Nov. 02, 2013 Continuing Operations [Member]	Nov. 03, 2012 Continuing Operations [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2013 Renew Blue [Member]	Nov. 03, 2012 Continuing Operations [Member] Restructuring Program 2013 Renew Blue [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2013 Renew Blue [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2013 Renew Blue [Member] Inventory write-downs [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2013 Renew Blue [Member] Inventory write-downs [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2013 Renew Blue [Member] Property and equipment impairments [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2013 Renew Blue [Member] Property and equipment impairments [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2013 Renew Blue [Member] Termination benefits [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2013 Renew Blue [Member] Termination benefits [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2013 Renew Blue [Member] Investment impairments [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2013 Renew Blue [Member] Investment impairments [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2013 Renew Blue [Member] Facility closure and other costs [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2013 Renew Blue [Member] Facility closure and other costs [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2013 Renew Blue [Member] Domestic [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2013 Renew Blue [Member] Domestic [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2013 Renew Blue [Member] Domestic [Member] Inventory write-downs [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2013 Renew Blue [Member] Domestic [Member] Inventory write-downs [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2013 Renew Blue [Member] Domestic [Member] Property and equipment impairments [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2013 Renew Blue [Member] Domestic [Member] Property and equipment impairments [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2013 Renew Blue [Member] Domestic [Member] Termination benefits [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2013 Renew Blue [Member] Domestic [Member] Termination benefits [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2013 Renew Blue [Member] Domestic [Member] Investment impairments [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2013 Renew Blue [Member] Domestic [Member] Investment impairments [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2013 Renew Blue [Member] Domestic [Member] Facility closure and other costs [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2013 Renew Blue [Member] Domestic [Member] Facility closure and other costs [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2013 Renew Blue [Member] International [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2013 Renew Blue [Member] International [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2013 Renew Blue [Member] International [Member] Inventory write-downs [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2013 Renew Blue [Member] International [Member] Inventory write-downs [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2013 Renew Blue [Member] International [Member] Property and equipment impairments [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2013 Renew Blue [Member] International [Member] Property and equipment impairments [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2013 Renew Blue [Member] International [Member] Termination benefits [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2013 Renew Blue [Member] International [Member] Termination benefits [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2013 Renew Blue [Member] International [Member] Investment impairments [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2013 Renew Blue [Member] International [Member] Investment impairments [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2013 Renew Blue [Member] International [Member] Facility closure and other costs [Member]	Nov. 02, 2013 Continuing Operations [Member] Restructuring Program 2013 Renew Blue [Member] International [Member] Facility closure and other costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges			$ 144	$ 251					$ 52			$ 44	$ 252	$ 52	$ 0	$ 223	$ 0	$ 1	$ 4	$ 34	$ 26	$ 81	$ 16	$ 43	$ 6	$ 64	$ 34	$ 118	$ 0	$ 1	$ 2	$ 9	$ 16	$ 62	$ 16	$ 43	$ 0	$ 3	$ 18	$ 105	$ 0	$ 0	$ 2	$ 25	$ 10	$ 19	$ 0	$ 0	$ 6	$ 61
Restructuring Reserve [Roll Forward]
Restructuring reserve, balance at the beginning of the period									108	54	54
Charges	31	34	44	252					39	25	14
Cash payments									(81)	(65)	(16)
Adjustments					(34)	[1]	0	34	1	(7)	8
Changes in foreign currency exchange rates									0	1	(1)
Restructuring reserve, balance at the end of the period									$ 67	$ 8	$ 59

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