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Acquisitions 4 (Details)
$ in Millions
3 Months Ended 12 Months Ended
Feb. 02, 2020
USD ($)
Feb. 03, 2019
USD ($)
Nov. 03, 2019
USD ($)
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]      
Acquisition costs $ 104    
Payments to Acquire Businesses, Net of Cash Acquired 10,870 $ 16,027  
Symantec Asset Purchase [Member]      
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]      
Pro forma net revenue 5,639 6,333  
Pro forma net income attributable to common stock $ 229 316  
Other Acquisitions [Member]      
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]      
Number of Businesses Acquired 3    
Goodwill, Acquired During Period $ 108    
Finite-lived Intangible Assets Acquired 46    
Payments to Acquire Businesses, Net of Cash Acquired 201    
CA Technologies, Inc.      
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]      
Goodwill, Acquired During Period $ 6,758    
Pro forma net revenue   5,561  
Pro forma net income attributable to common stock   795  
Payments to Acquire Businesses, Net of Cash Acquired     $ 16,100
Acquisition-related Costs [Member] | Symantec Asset Purchase [Member]      
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]      
Acquisition costs   $ 130