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Litigation and Legal Proceedings (Details) - Pending Litigation - patent | Aug. 28, 2019 | Aug. 27, 2019 | Jan. 23, 2019
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U.K. Proceedings |  |  |
Loss Contingencies [Line Items] |  |  |
Number of claim alleges infringement |  | 4 |
District Of Delaware Proceedings |  |  |
Loss Contingencies [Line Items] |  |  |
Number of claim alleges infringement | 8 |  |
ZTE USITC Proceedings and Related Delaware District Court Proceedings |  |  |
Loss Contingencies [Line Items] |  |  |
Number of patents-in-suit |  |  | 3

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