Segment and Geographic Information - Geographic Information (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Jan. 30, 2016	Oct. 31, 2015	Aug. 01, 2015	May. 02, 2015	Jan. 31, 2015	Nov. 01, 2014	Aug. 02, 2014	May. 03, 2014	Jan. 30, 2016	Jan. 31, 2015	Feb. 01, 2014
Geographic Areas, Revenues from External Customers [Abstract]
Total revenue	$ 13,623	$ 8,819	$ 8,528	$ 8,558	$ 14,209	$ 9,032	$ 8,459	$ 8,639	$ 39,528	$ 40,339	$ 40,611
Geographic Areas, Long-Lived Assets [Abstract]
Property, Plant and Equipment, Net	2,346				2,295				2,346	2,295	2,598
United States [Member]
Geographic Areas, Revenues from External Customers [Abstract]
Total revenue									36,365	36,055	35,831
Geographic Areas, Long-Lived Assets [Abstract]
Property, Plant and Equipment, Net	2,189				2,100				2,189	2,100	2,190
Canada [Member]
Geographic Areas, Revenues from External Customers [Abstract]
Total revenue									2,917	4,047	4,522
Geographic Areas, Long-Lived Assets [Abstract]
Property, Plant and Equipment, Net	140				174				140	174	244
China [Member]
Geographic Areas, Long-Lived Assets [Abstract]
Property, Plant and Equipment, Net	0				0				0	0	139
Other [Member]
Geographic Areas, Revenues from External Customers [Abstract]
Total revenue									246	237	258
Geographic Areas, Long-Lived Assets [Abstract]
Property, Plant and Equipment, Net	$ 17				$ 21				$ 17	$ 21	$ 25