Derivative Instruments and Hedging Activities, Gain (Loss) (Details 1) (USD $) In Millions, unless otherwise specified	3 Months Ended
	May 04, 2012	Apr. 29, 2011
Derivative Instruments, Gain (Loss)
Gain (Loss) Recognized in Accumulated OCI, Net of Tax, on Derivatives (Effective Portion)	$ (25)	$ (235)
Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	(14)	(167)
Gain (Loss) Recognized in Income on Derivative (Ineffective Portion)	0	0
Total net revenue
Derivative Instruments, Gain (Loss)
Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	(3)	(150)
Total cost of net revenue
Derivative Instruments, Gain (Loss)
Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	(11)	(17)
Interest and other, net
Derivative Instruments, Gain (Loss)
Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	0	0
Gain (Loss) Recognized in Income on Derivative (Ineffective Portion)	0	0
Interest rate contracts
Derivative Instruments, Gain (Loss)
Gain (Loss) Recognized in Accumulated OCI, Net of Tax, on Derivatives (Effective Portion)	0	0
Foreign exchange contracts
Derivative Instruments, Gain (Loss)
Gain (Loss) Recognized in Accumulated OCI, Net of Tax, on Derivatives (Effective Portion)	$ (25)	$ (235)