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Business Combinations (Details) - USD ($)
$ in Millions
3 Months Ended
Jan. 08, 2021
Mar. 31, 2021
Dec. 31, 2020
Business Acquisition [Line Items]      
Goodwill   $ 361 $ 241
Element AI Inc.      
Business Acquisition [Line Items]      
Cash payment to acquire businesses $ 228    
Net tangible assets 16    
Goodwill 126    
Unrecognized tax benefits $ 43    
Developed technology      
Business Acquisition [Line Items]      
Weighted average useful life 5 years 5 years  
Developed technology | Element AI Inc.      
Business Acquisition [Line Items]      
Intangible assets $ 85