Segment Information (Depreciation and Amortization and Additions to Property and Equipment by Reportable Segment) (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Segment Reporting Information [Line Items]
Total depreciation and amortization	$ 692	$ 692	$ 783
Total additions to property and equipment	481	387	400
Operating Segments | Pharmaceutical
Segment Reporting Information [Line Items]
Total depreciation and amortization	225	193	151
Total additions to property and equipment	90	79	55
Operating Segments | Medical
Segment Reporting Information [Line Items]
Total depreciation and amortization	213	216	226
Total additions to property and equipment	209	140	97
Corporate
Segment Reporting Information [Line Items]
Total depreciation and amortization	254	283	406
Total additions to property and equipment	$ 182	$ 168	$ 248