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Amortizable Intangible Assets (Tables)
 9 Months Ended
Oct. 28, 2018
Goodwill and Intangible Assets Disclosure [Abstract]  
Amortizable Intangible Assets Components
The components of our amortizable intangible assets are as follows:
 
October 28, 2018
 
January 28, 2018
 
Gross
Carrying
Amount
 
Accumulated
Amortization
 
Net Carrying
Amount
 
Gross
Carrying
Amount
 
Accumulated
Amortization
 
Net Carrying
Amount
 
(In millions)
 
(In millions)
Acquisition-related intangible assets
$
195

 
$
(186
)
 
$
9

 
$
195

 
$
(180
)
 
$
15

Patents and licensed technology
490

 
(450
)
 
40

 
469

 
(432
)
 
37

Total intangible assets
$
685

 
$
(636
)
 
$
49

 
$
664

 
$
(612
)
 
$
52