Goodwill and Other Intangible Assets (Schedule of Goodwill by Reportable Segment) (Details) - USD ($) $ in Millions	6 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Goodwill [Roll Forward]
Beginning balance	$ 4,725
Goodwill acquired, net of purchase price adjustments	763
Ending balance	5,488
Pharmaceutical and Specialty Solutions
Goodwill [Roll Forward]
Beginning balance	3,555
Goodwill acquired, net of purchase price adjustments	763
Ending balance	4,318
Global Medical Products and Distribution
Goodwill [Roll Forward]
Beginning balance	0
Goodwill acquired, net of purchase price adjustments	0
Ending balance	0
Goodwill impairment		$ 585
Other Segments
Goodwill [Roll Forward]
Beginning balance	1,170
Goodwill acquired, net of purchase price adjustments	0
Ending balance	$ 1,170