Goodwill and Other Intangible Assets (Schedule of Goodwill by Reportable Segment) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2022	Sep. 30, 2022	Dec. 31, 2023	Jun. 30, 2023
Goodwill [Roll Forward]
Beginning balance			$ 4,609
Goodwill, Purchase Accounting Adjustments			(3)
Foreign currency translation adjustments and other			1
Goodwill impairment			581
Ending balance			4,024
Pharmaceutical
Goodwill [Roll Forward]
Beginning balance			2,649
Goodwill, Purchase Accounting Adjustments			0
Foreign currency translation adjustments and other			0
Goodwill impairment			0
Ending balance			2,649
Medical
Goodwill [Roll Forward]
Beginning balance			1,960
Goodwill, Purchase Accounting Adjustments			(3)
Foreign currency translation adjustments and other			1
Goodwill impairment	$ 709	$ 154	581
Ending balance			1,375
Goodwill, Impaired, Accumulated Impairment Loss			$ 5,300	$ 4,700