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Collaborations And Other Arrangements Narrative (Details) - Other Collaborative Arrangements [Member] - USD ($) $ in Millions | 3 Months Ended
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Mar. 31, 2020 | Mar. 31, 2019
Collaborative and Other Arrangements[Line Items] |  |
Cash Outflows and Accrued Expenses Related to Collaborative and Other Arrangements | $ 105 | $ 187
Up-front Collaboration and Licensing Expenses Related to Collaborative and Other Similar Arrangements | $ 97 | $ 126

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- Definition Cash outflows and accrued expenses related to collaborative and other arrangements + References No definition available. + Details
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- Definition Up-front collaboration and licensing Expenses Related to Collaborative and Other Similar Arrangements + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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