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Segment Information (Assets by Reportable Segment) (Details) - USD ($) $ in Millions	Sep. 30, 2020	Jun. 30, 2020
Segment Reporting Information [Line Items]
Total assets	$ 41,727	$ 40,766
Operating Segments | Pharmaceutical
Segment Reporting Information [Line Items]
Total assets	22,809	22,398
Operating Segments | Medical
Segment Reporting Information [Line Items]
Total assets	14,985	14,691
Corporate
Segment Reporting Information [Line Items]
Total assets	$ 3,933	$ 3,677

X

- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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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.

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