v3.20.4
Acquisitions and Divestments - Intangible Assets Acquired (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 06, 2019
Dec. 31, 2020
Business Acquisition [Line Items]    
Weighted Average Estimated Useful Life (in Years)   4 years
Marvell    
Business Acquisition [Line Items]    
Identified intangible assets $ 514  
Customer-related | Marvell    
Business Acquisition [Line Items]    
Identified intangible assets $ 20  
Weighted Average Estimated Useful Life (in Years) 6 years  
Technology-based | Marvell    
Business Acquisition [Line Items]    
Identified intangible assets $ 324  
Weighted Average Estimated Useful Life (in Years) 4 years 4 months 24 days  
In-process R&D (IPR&D) | Marvell    
Business Acquisition [Line Items]    
Identified intangible assets $ 170