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Segment Information (Segment Profit by Reportable Segment) (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total operating earnings/(loss)	$ (596)	$ 472	$ (4,098)
Operating Segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total operating earnings/(loss)	1,986	2,261	2,416
Operating Segments | Pharmaceutical
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total operating earnings/(loss)	1,770	1,684	1,753
Operating Segments | Medical
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total operating earnings/(loss)	216	577	663
Corporate
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total operating earnings/(loss)	$ (2,582)	$ (1,789)	$ (6,514)

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The net result for the period of deducting operating expenses from operating revenues.

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