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Fair Value Measurements Fair Value Measurement Nonrecurring Basis (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 USD ($)
Developed Technology |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Assets at Fair Value | $ 0
Other Intangible Assets [Member] |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Assets at Fair Value | 0
IPR&D [Member] |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Assets at Fair Value | 0
Fair Value, Nonrecurring [Member] | Developed Technology |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Asset Impairment Charges | (1)
Fair Value, Nonrecurring [Member] | Other Intangible Assets [Member] |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Asset Impairment Charges | (6)
Fair Value, Nonrecurring [Member] | IPR&D [Member] |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Assets at Fair Value | $ (137)

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