SEGMENT INFORMATION (Tables)
 3 Months Ended
Apr. 30, 2021
Segment Reporting [Abstract]  
Reconciliation of revenue from segments to consolidated
The following table presents a reconciliation of net revenue by the Company’s reportable segments to the Company’s consolidated net revenue as well as a reconciliation of consolidated segment operating income to the Company’s consolidated operating income for the periods indicated:
 Three Months Ended
 April 30, 2021May 1, 2020
 (in millions)
Consolidated net revenue: 
Infrastructure Solutions Group$7,911 $7,569 
Client Solutions Group13,305 11,104 
VMware2,991 2,755 
Reportable segment net revenue24,207 21,428 
Other businesses (a)290 517 
Unallocated transactions (b)2 — 
Impact of purchase accounting (c)(12)(48)
Total consolidated net revenue$24,487 $21,897 
Consolidated operating income:
Infrastructure Solutions Group$788 $732 
Client Solutions Group1,090 592 
VMware841 773 
Reportable segment operating income2,719 2,097 
Other businesses (a)(5)65 
Unallocated transactions (b)— (1)
Impact of purchase accounting (c)(25)(63)
Amortization of intangibles(709)(855)
Transaction-related expenses (d)(51)(76)
Stock-based compensation expense (e)(435)(370)
Other corporate expenses (f)(119)(95)
Total consolidated operating income$1,375 $702 
____________________
(a)Secureworks, Virtustream, and Boomi constitute Other businesses and do not meet the requirements for a reportable segment, either individually or collectively. The results of Other businesses are not material to the Company’s overall results. On September 1, 2020, the Company completed the sale of RSA Security. Prior to the divestiture, RSA Security’s results were included within Other businesses. See Note 1 of the Notes to the Condensed Consolidated Financial Statements for more information about the divestiture of RSA Security.
(b)Unallocated transactions includes other corporate items that are not allocated to Dell Technologies’ reportable segments.
(c)Impact of purchase accounting includes non-cash purchase accounting adjustments that are primarily related to the EMC merger transaction.
(d)Transaction-related expenses includes acquisition, integration, and divestiture related costs.
(e)Stock-based compensation expense consists of equity awards granted based on the estimated fair value of those awards at grant date.
(f)Other corporate expenses includes impairment charges, severance, facility action, and other costs.
Disaggregation of revenue
The following table presents the disaggregation of net revenue by reportable segment, and by major product categories within the segments for the periods indicated:
 Three Months Ended
 April 30, 2021May 1, 2020
 (in millions)
Net revenue:  
Infrastructure Solutions Group:
Servers and networking$4,109 $3,758 
Storage3,802 3,811 
Total ISG net revenue7,911 7,569 
Client Solutions Group:
Commercial9,803 8,634 
Consumer3,502 2,470 
Total CSG net revenue13,305 11,104 
VMware:
Total VMware net revenue2,991 2,755 
Total segment net revenue$24,207 $21,428