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Identifiable Intangible Assets and Goodwill - Intangible Assets Percentage of Total Intangibles (Details) | Dec. 31, 2018
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Operating Segments [Member] | IH [Member] | Developed Technology Rights [Member] |
Finite-Lived Intangible Assets [Line Items] |
Percentage of intangible asset amortized cost by segment | 76.00%
Operating Segments [Member] | IH [Member] | Brands [Member] |
Finite-Lived Intangible Assets [Line Items] |
Percentage of intangible asset amortized cost by segment | 0.00%
Operating Segments [Member] | EH [Member] | Developed Technology Rights [Member] |
Finite-Lived Intangible Assets [Line Items] |
Percentage of intangible asset amortized cost by segment | 24.00%
Operating Segments [Member] | EH [Member] | Brands [Member] |
Finite-Lived Intangible Assets [Line Items] |
Percentage of intangible asset amortized cost by segment | 100.00%
WRD [Member] | Segment Reconciling Items [Member] | Developed Technology Rights [Member] |
Finite-Lived Intangible Assets [Line Items] |
Percentage of intangible asset amortized cost by segment | 0.00%
WRD [Member] | Segment Reconciling Items [Member] | Brands [Member] |
Finite-Lived Intangible Assets [Line Items] |
Percentage of intangible asset amortized cost by segment | 0.00%
Brands [Member] | Operating Segments [Member] | IH [Member] |
Finite-Lived Intangible Assets [Line Items] |
Percentage of intangible asset amortized cost by segment | 0.00%
Brands [Member] | Operating Segments [Member] | EH [Member] |
Finite-Lived Intangible Assets [Line Items] |
Percentage of intangible asset amortized cost by segment | 100.00%
Brands [Member] | WRD [Member] | Segment Reconciling Items [Member] |
Finite-Lived Intangible Assets [Line Items] |
Percentage of intangible asset amortized cost by segment | 0.00%
IPR&D [Member] | Operating Segments [Member] | IH [Member] |
Finite-Lived Intangible Assets [Line Items] |
Percentage of intangible asset amortized cost by segment | 65.00%
IPR&D [Member] | Operating Segments [Member] | EH [Member] |
Finite-Lived Intangible Assets [Line Items] |
Percentage of intangible asset amortized cost by segment | 18.00%
IPR&D [Member] | WRD [Member] | Segment Reconciling Items [Member] |
Finite-Lived Intangible Assets [Line Items] |
Percentage of intangible asset amortized cost by segment | 17.00%

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