Restructuring Charges 2013 Restructuring Plan (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Aug. 01, 2015	Aug. 02, 2014	Aug. 01, 2015	Aug. 02, 2014	Feb. 01, 2014
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 23	$ 88	$ 64	$ 102
2013 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges					$ 78
2013 Restructuring Plan [Member] | International Operations [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges					63
2013 Restructuring Plan [Member] | Corporate Headquarters and North American Operations [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges					16
2013 Restructuring Plan [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges					75
Restructuring Reserve [Roll Forward]
Accrued restructuring balance as of January 31, 2015			36
Cash payments			(10)
Adjustments			(2)
Foreign currency translations			(1)
Accrued restructuring balance as of August 1, 2015	$ 23		$ 23
2013 Restructuring Plan [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges					$ 3