Segment Information (Revenue by Reportable Segment) (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Segment Reporting Information [Line Items]
Total revenue	$ 52,277	$ 54,650
Operating Segments
Segment Reporting Information [Line Items]
Total revenue	52,299	54,671
Corporate
Segment Reporting Information [Line Items]
Total revenue	(22)	(21)
Pharmaceutical and Specialty Solutions | Operating Segments
Segment Reporting Information [Line Items]
Total revenue	47,990	50,588
GMPD | Operating Segments
Segment Reporting Information [Line Items]
Total revenue	3,123	3,032
Other Operating Segment | Operating Segments
Segment Reporting Information [Line Items]
Total revenue	1,186	1,051
Other Operating Segment | Nuclear and Precision Health Solutions [Member] | Operating Segments
Segment Reporting Information [Line Items]
Total revenue	373	324
Other Operating Segment | at-Home Solutions [Member] | Operating Segments
Segment Reporting Information [Line Items]
Total revenue	739	667
Other Operating Segment | OptiFreight [Member] | Operating Segments
Segment Reporting Information [Line Items]
Total revenue	$ 74	$ 60