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Revenue, Unearned Revenue and Remaining Performance Obligations (Tables)
 3 Months Ended
May 01, 2020
Revenue from Contract with Customer [Abstract]  
Summary of Unearned Revenue
Unearned revenue as of the periods presented consisted of the following (table in millions):
 
May 1,
 
January 31,
 
2020
 
2020
Unearned license revenue
$
15

 
$
19

Unearned subscription and SaaS revenue
1,579

 
1,534

Unearned software maintenance revenue
6,611

 
6,700

Unearned professional services revenue
1,013

 
1,015

Total unearned revenue
$
9,218

 
$
9,268