v3.19.3.a.u2
Identifiable Intangible Assets and Goodwill - Narrative (Details)
$ in Billions
12 Months Ended
Dec. 31, 2019
USD ($)
Operating_Segment
Dec. 31, 2018
USD ($)
Operating_Segment
Dec. 31, 2017
USD ($)
Finite-Lived Intangible Assets [Line Items]      
Number of operating segments | Operating_Segment 3 2  
Developed Technology Rights [Member]      
Finite-Lived Intangible Assets [Line Items]      
Finite-lived intangible asset, useful life 9 years    
Finite-Lived Intangible Assets [Member]      
Finite-Lived Intangible Assets [Line Items]      
Amortization expense for finite-lived intangible assets | $ $ 4.7 $ 5.0 $ 4.8