Intangible Assets (Tables)

9 Months Ended

Oct. 25, 2015

Notes to financial statements [Abstract]

Amortizable Intangible Assets Components

	October 25, 2015							January 25, 2015
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
	(In millions)
Acquisition-related intangible assets	$	193	$	(148	)	$	45	$	189	$	(134	)	$	55
Patents and licensed technology	451		(324		)	127		449		(282		)	167
Total intangible assets	$	644	$	(472	)	$	172	$	638	$	(416	)	$	222