Inventories (Tables)

9 Months Ended

Oct. 28, 2011

Inventory, Net [Abstract]

Schedule of Inventory, Current [Table Text Block]

	October 28, 2011		January 28, 2011
	(in millions)
Inventories, net:
Production materials	$	747	$	593
Work-in-process	217		232
Finished goods	433		476
Total	$	1,397	$	1,301