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Commitments and Contingencies - Textual (Details) $ in Millions | Sep. 29, 2020 patent | Jul. 23, 2020 USD ($)
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Alphabet Inc. ("Alphabet") and Google LLC ("Google") [Member] |  |
Loss Contingencies [Line Items] |  |
Patents allegedly infringed upon | patent | 5 |
Government |  |
Loss Contingencies [Line Items] |  |
Income tax examination, liability (refund) | $ |  | $ 30

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