Acquisitions and Divestitures - Abaxis' Operations (Details) $ in Millions	12 Months Ended
Dec. 31, 2018 USD ($)
Employee Severance \| Abaxis Inc
Business Acquisition [Line Items]
Severance Costs	$ 21

Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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