Segment, Geographic and Other Revenue Information - Revenues By Products - Footnotes (Details)	6 Months Ended
Jun. 30, 2019 brand
Upjohn [Member] \| Upjohn [Member]
Schedule of Equity Method Investments [Line Items]
Number of off-patent legacy brands	20

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.

No definition available.

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