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Divestitures and Acquisitions (Narrative) (Details) - USD ($) $ in Millions		3 Months Ended	12 Months Ended
	Aug. 02, 2021	Sep. 30, 2023	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Business Acquisition
Proceeds from divestitures, net of cash sold			$ 0	$ 923	$ 0
Assets held for sale			144	0
Liabilities related to assets held for sale			42	$ 0
Outcomes Divestiture
Business Acquisition
Assets held for sale			138
Liabilities related to assets held for sale			$ 42
Subsequent Event
Business Acquisition
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal, Statement of Income or Comprehensive Income [Extensible Enumeration]		Gain (Loss) on Sale of Assets and Asset Impairment Charges
Subsequent Event | Outcomes Divestiture
Business Acquisition
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal		$ 60
Cordis Divestiture
Business Acquisition
Proceeds from divestitures, net of cash sold	$ 923
Write-down of assets held for sale					$ 60

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