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 | ||