Derivative Instruments and Hedging Activities, Gain (Loss) (Details 1) (USD $) In Millions	3 Months Ended		9 Months Ended
	Oct. 28, 2011	Oct. 29, 2010	Oct. 28, 2011	Oct. 29, 2010
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in Accumulated OCI, Net of Tax, on Derivatives (Effective Portion)	$ 55	$ (234)	$ (194)	$ (254)
Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	(7)	(129)	(277)	(35)
Gain (Loss) Recognized in Income on Derivative (Ineffective Portion)	1	0	3	0
Interest Rate Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in Accumulated OCI, Net of Tax, on Derivatives (Effective Portion)	0	0	0	(1)
Foreign Exchange Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in Accumulated OCI, Net of Tax, on Derivatives (Effective Portion)	55	(234)	(194)	(253)
Total net revenue [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	(15)	(120)	(257)	2
Total cost of net revenue [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	8	(9)	(20)	(37)
Interest and other, net [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	0	0	0	0
Gain (Loss) Recognized in Income on Derivative (Ineffective Portion)	$ 1	$ 0	$ 3	$ 0