Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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+ Details

Segment Information (Assets by Reportable Segment) (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended
	Dec. 31, 2022	Sep. 30, 2022	Dec. 31, 2021	Dec. 31, 2022	Jun. 30, 2022
Segment Reporting Information [Line Items]
Total assets	$ 44,482			$ 44,482	$ 43,878
Goodwill, Impairment Loss				863
Medical Unit
Segment Reporting Information [Line Items]
Goodwill, Impairment Loss				863
Pharmaceutical
Segment Reporting Information [Line Items]
Goodwill, Impairment Loss				0
Medical
Segment Reporting Information [Line Items]
Goodwill, Impairment Loss	709	$ 154	$ 1,300	863
Operating Segments \| Pharmaceutical
Segment Reporting Information [Line Items]
Total assets	28,992			28,992	26,409
Operating Segments \| Medical
Segment Reporting Information [Line Items]
Total assets	10,757			10,757	11,632
Corporate
Segment Reporting Information [Line Items]
Total assets	$ 4,733			$ 4,733	$ 5,837