v3.19.3.a.u2
Balance Sheet Components (Details) - USD ($)
$ in Millions
 12 Months Ended
Jan. 26, 2020
Jan. 27, 2019
Jan. 28, 2018
Inventories:      
Raw materials $ 249 $ 613  
Work in-process 265 238  
Finished goods 465 724  
Total inventories 979 1,575  
Property, Plant and Equipment [Line Items]      
Total property and equipment, gross 2,685 2,171  
Accumulated depreciation and amortization (1,011) (767)  
Total property and equipment, net 1,674 1,404  
Accrued and Other Current Liabilities:      
Customer program accruals 462 302  
Accrued payroll and related expenses 185 186  
Deferred revenue [1] 141 92  
Operating lease liabilities 91 0  
Taxes payable 61 91  
Licenses payable 54 12  
Professional service fees 18 14  
Other 85 121  
Total accrued and other current liabilities 1,097 818  
Other Long-Term Liabilities:      
Income tax payable 528 513  
Licenses payable 110 1  
Deferred revenue 60 46  
Deferred income tax liability 29 19  
Employee benefits liability 22 20  
Deferred rent 0 21  
Other 26 13  
Total other long-term liabilities 775 633  
One time transition tax payable, noncurrent 317    
Unrecognized tax benefits 180    
Interest and penalties 31 21 $ 15
Movement in Deferred Revenue [Roll Forward]      
Beginning balance, deferred revenue 138 63  
Deferred revenue added during the period 334 344  
Revenue recognized during the period (271) (269)  
Ending balance, deferred revenue $ 201 138  
Minimum      
Property, Plant and Equipment [Line Items]      
Estimated Useful Life 3 years    
Maximum      
Property, Plant and Equipment [Line Items]      
Estimated Useful Life 5 years    
Land      
Property, Plant and Equipment [Line Items]      
Total property and equipment, gross $ 218 218  
Building      
Property, Plant and Equipment [Line Items]      
Total property and equipment, gross $ 340 339  
Estimated Useful Life 30 years    
Building | Minimum      
Property, Plant and Equipment [Line Items]      
Estimated Useful Life 25 years    
Building | Maximum      
Property, Plant and Equipment [Line Items]      
Estimated Useful Life 30 years    
Test equipment      
Property, Plant and Equipment [Line Items]      
Total property and equipment, gross $ 532 516  
Test equipment | Minimum      
Property, Plant and Equipment [Line Items]      
Estimated Useful Life 3 years    
Test equipment | Maximum      
Property, Plant and Equipment [Line Items]      
Estimated Useful Life 5 years    
Computer equipment      
Property, Plant and Equipment [Line Items]      
Total property and equipment, gross $ 621 522  
Computer equipment | Minimum      
Property, Plant and Equipment [Line Items]      
Estimated Useful Life 3 years    
Computer equipment | Maximum      
Property, Plant and Equipment [Line Items]      
Estimated Useful Life 5 years    
Leasehold improvements      
Property, Plant and Equipment [Line Items]      
Total property and equipment, gross $ 293 291  
Software and licenses      
Property, Plant and Equipment [Line Items]      
Total property and equipment, gross $ 287 109  
Software and licenses | Minimum      
Property, Plant and Equipment [Line Items]      
Estimated Useful Life 3 years    
Software and licenses | Maximum      
Property, Plant and Equipment [Line Items]      
Estimated Useful Life 5 years    
Office furniture and equipment      
Property, Plant and Equipment [Line Items]      
Total property and equipment, gross $ 74 69  
Estimated Useful Life 5 years    
Construction in process      
Property, Plant and Equipment [Line Items]      
Total property and equipment, gross $ 320 $ 107  
[1]
Deferred revenue primarily includes customer advances and deferrals related to license and development arrangements and PCS.