Segment Information (Depreciation and Amortization and Additions to Property and Equipment by Reportable Segment) (Details) $ in Millions	12 Months Ended
Jun. 30, 2024 USD ($) segment	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)
Segment Reporting Information [Line Items]
Total depreciation and amortization	$ 710	$ 692	$ 692
Segment, Expenditure, Addition to Long-Lived Assets	$ 511	481	387
Number of Reportable Segments \| segment	2
Operating Segments \| Pharmaceutical and Specialty Solutions
Segment Reporting Information [Line Items]
Total depreciation and amortization	$ 184	194	170
Segment, Expenditure, Addition to Long-Lived Assets	76	56	54
Operating Segments \| GMPD
Segment Reporting Information [Line Items]
Total depreciation and amortization	205	173	176
Segment, Expenditure, Addition to Long-Lived Assets	136	191	135
Operating Segments \| Other Operating Segment
Segment Reporting Information [Line Items]
Total depreciation and amortization	79	71	65
Segment, Expenditure, Addition to Long-Lived Assets	81	52	30
Total operating earnings/(loss)
Segment Reporting Information [Line Items]
Total depreciation and amortization	242	254	281
Segment, Expenditure, Addition to Long-Lived Assets	$ 218	$ 182	$ 168