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Divestitures and Acquisitions (Narrative) (Details) - USD ($) $ in Millions		1 Months Ended	12 Months Ended
	Aug. 02, 2021	Aug. 31, 2018	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Business Acquisition
Payments to Acquire Businesses, Net of Cash Acquired			$ 22	$ 3	$ 0
Proceeds from divestitures, net of cash sold			923	0	0
Assets held for sale			0	1,101
Liabilities related to assets held for sale			0	96
naviHealth [Member]
Business Acquisition
Proceeds from divestitures, net of cash sold		$ 737
Gain on Sale of Investments					579
Cordis Divestiture
Business Acquisition
Proceeds from divestitures, net of cash sold	$ 923		$ 923
Disposal Group, Including Discontinued Operation, Goodwill				(388)
Write-down of assets held for sale				$ 60
naviHealth [Member]
Business Acquisition
Gain on Sale of Investments					$ 579

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