Derivative Instruments and Hedging Activities, Fair Value (Details 2) (USD $) In Millions	Oct. 28, 2011	Jan. 28, 2011
Derivatives, Fair Value [Line Items]
Net asset (liability)	$ 142	$ (1)
Interest Rate Contract [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative assets designated as hedging instruments	1
Derivative liabilities designated as hedging instruments	(5)	(2)
Interest Rate Contract [Member] | Designated as Hedging Instrument [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative assets designated as hedging instruments	0
Derivative liabilities designated as hedging instruments	0	0
Interest Rate Contract [Member] | Designated as Hedging Instrument [Member] | Other Non Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative assets designated as hedging instruments	1
Derivative liabilities designated as hedging instruments	0	0
Interest Rate Contract [Member] | Designated as Hedging Instrument [Member] | Other Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative assets designated as hedging instruments	0
Derivative liabilities designated as hedging instruments	0	0
Interest Rate Contract [Member] | Designated as Hedging Instrument [Member] | Other Non Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative assets designated as hedging instruments	0
Derivative liabilities designated as hedging instruments	(5)	(2)
Foreign Exchange Contract [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative assets designated as hedging instruments	230	116
Derivative liabilities designated as hedging instruments	(81)	(145)
Foreign Exchange Contract [Member] | Designated as Hedging Instrument [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative assets designated as hedging instruments	197	81
Derivative liabilities designated as hedging instruments	(67)	(86)
Foreign Exchange Contract [Member] | Designated as Hedging Instrument [Member] | Other Non Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative assets designated as hedging instruments	0	1
Derivative liabilities designated as hedging instruments	0	0
Foreign Exchange Contract [Member] | Designated as Hedging Instrument [Member] | Other Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative assets designated as hedging instruments	33	34
Derivative liabilities designated as hedging instruments	(14)	(59)
Foreign Exchange Contract [Member] | Designated as Hedging Instrument [Member] | Other Non Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative assets designated as hedging instruments	0	0
Derivative liabilities designated as hedging instruments	0	0
Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Net asset (liability)	145	(31)
Designated as Hedging Instrument [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Net asset (liability)	130	(5)
Designated as Hedging Instrument [Member] | Other Non Current Assets [Member]
Derivatives, Fair Value [Line Items]
Net asset (liability)	1	1
Designated as Hedging Instrument [Member] | Other Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Net asset (liability)	19	(25)
Designated as Hedging Instrument [Member] | Other Non Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Net asset (liability)	(5)	(2)
Interest Rate Contract [Member] | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative liabilities designated as hedging instruments		(1)
Interest Rate Contract [Member] | Not Designated as Hedging Instrument [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative liabilities designated as hedging instruments		0
Interest Rate Contract [Member] | Not Designated as Hedging Instrument [Member] | Other Non Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative liabilities designated as hedging instruments		0
Interest Rate Contract [Member] | Not Designated as Hedging Instrument [Member] | Other Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative liabilities designated as hedging instruments		0
Interest Rate Contract [Member] | Not Designated as Hedging Instrument [Member] | Other Non Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative liabilities designated as hedging instruments		(1)
Foreign Exchange Contract [Member] | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative assets designated as hedging instruments	87	67
Derivative liabilities designated as hedging instruments	(90)	(36)
Foreign Exchange Contract [Member] | Not Designated as Hedging Instrument [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative assets designated as hedging instruments	65	52
Derivative liabilities designated as hedging instruments	(39)	(21)
Foreign Exchange Contract [Member] | Not Designated as Hedging Instrument [Member] | Other Non Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative assets designated as hedging instruments	0	0
Derivative liabilities designated as hedging instruments	0	0
Foreign Exchange Contract [Member] | Not Designated as Hedging Instrument [Member] | Other Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative assets designated as hedging instruments	22	15
Derivative liabilities designated as hedging instruments	(51)	(15)
Foreign Exchange Contract [Member] | Not Designated as Hedging Instrument [Member] | Other Non Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative assets designated as hedging instruments	0	0
Derivative liabilities designated as hedging instruments	0	0
Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Net asset (liability)	(3)	30
Not Designated as Hedging Instrument [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Net asset (liability)	26	31
Not Designated as Hedging Instrument [Member] | Other Non Current Assets [Member]
Derivatives, Fair Value [Line Items]
Net asset (liability)	0	0
Not Designated as Hedging Instrument [Member] | Other Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Net asset (liability)	(29)	0
Not Designated as Hedging Instrument [Member] | Other Non Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Net asset (liability)	0	(1)
Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Net asset (liability)	156	26
Other Non Current Assets [Member]
Derivatives, Fair Value [Line Items]
Net asset (liability)	1	1
Other Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Net asset (liability)	(10)	(25)
Other Non Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Net asset (liability)	$ (5)	$ (3)