v3.20.4
Identifiable Intangible Assets and Goodwill - Narrative (Details)
$ in Billions
12 Months Ended
Nov. 16, 2020
USD ($)
Jul. 31, 2019
operatingSegment
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Finite-Lived Intangible Assets [Line Items]          
Number of operating segments | operatingSegment   3      
Goodwill derecognized upon deconsolidation of business unit $ 10.6        
IPR&D [Member]          
Finite-Lived Intangible Assets [Line Items]          
Percentage of intangible asset amortized cost by segment     9.00%    
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     $ 3.5 $ 4.5 $ 4.8