Derivative Instruments (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	May 02, 2015		May 03, 2014		Jan. 31, 2015
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	$ 20		$ 8		$ 31
Derivative Liability, Fair Value, Gross Liability	7
Notional Amount	1,171		131		554
Proceeds from divestiture of businesses	48		0
Net Investment Hedging [Member]
Derivatives, Fair Value [Line Items]
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax	(9)
Derivative Asset, Fair Value, Gross Asset	8	[1]			19	[1]
Derivative Liability, Fair Value, Gross Liability	2	[1]
Contract term	12 months
Notional Amount	222		0		197
Interest Rate Swap [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	7	[2]			1	[2]
Derivative Liability, Fair Value, Gross Liability	2	[2]
Notional Amount	750		0		145
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	5	[1]	8	[1]	11	[1]
Derivative Liability, Fair Value, Gross Liability	3	[1]
Contract term	12 months
Notional Amount	199		131		212
Gain (loss) on foreign currency derivative instruments not designated as hedging instruments	$ (5)		$ (3)

[1] The fair value is recorded in other current assets or accrued liabilities.

[2] The fair value is recorded in other assets or long-term liabilities.