Segment Information (Revenue by Reportable Segment) (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Segment Reporting Information [Line Items]
Total revenue	$ 64,009	$ 52,277
Operating Segments
Segment Reporting Information [Line Items]
Total revenue	64,030	52,299
Corporate
Segment Reporting Information [Line Items]
Total revenue	(21)	(22)
Pharmaceutical and Specialty Solutions | Operating Segments
Segment Reporting Information [Line Items]
Total revenue	59,205	47,990
GMPD | Operating Segments
Segment Reporting Information [Line Items]
Total revenue	3,184	3,123
Other Operating Segment | Operating Segments
Segment Reporting Information [Line Items]
Total revenue	1,641	1,186
Other Operating Segment | Nuclear and Precision Health Solutions [Member] | Operating Segments
Segment Reporting Information [Line Items]
Total revenue	436	373
Other Operating Segment | at-Home Solutions [Member] | Operating Segments
Segment Reporting Information [Line Items]
Total revenue	1,115	739
Other Operating Segment | OptiFreight [Member] | Operating Segments
Segment Reporting Information [Line Items]
Total revenue	$ 90	$ 74