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Amortizable Intangible Assets (Tables)
 6 Months Ended
Jul. 29, 2018
Notes to financial statements [Abstract]  
Amortizable Intangible Assets Components
The components of our amortizable intangible assets are as follows:
 
July 29, 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

 
$
(184
)
 
$
11

 
$
195

 
$
(180
)
 
$
15

Patents and licensed technology
485

 
(445
)
 
40

 
469

 
(432
)
 
37

Total intangible assets
$
680

 
$
(629
)
 
$
51

 
$
664

 
$
(612
)
 
$
52