Segment Information (Assets by Reportable Segment) (Details) $ in Millions	12 Months Ended
Jun. 30, 2026 USD ($) segment	Jun. 30, 2025 USD ($)
Segment Reporting [Line Items]
Assets, Total	$ 57,299	$ 53,122
Number of Reportable Segments \| segment	2
Operating Segments \| GMPD
Segment Reporting [Line Items]
Assets, Total	$ 6,651	6,889
Operating Segments \| Other Operating Segment
Segment Reporting [Line Items]
Assets, Total	4,098	4,045
Operating Segments \| Pharmaceutical and Specialty Solutions
Segment Reporting [Line Items]
Assets, Total	40,777	37,313
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member]
Segment Reporting [Line Items]
Assets, Total	$ 5,773	$ 4,875

Amount of asset recognized for present right to economic benefit.

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+ Details

- Definition

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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