v3.26.1
Goodwill and Other Intangible Assets (Schedule of Goodwill by Reportable Segment) (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Mar. 31, 2026
Jun. 30, 2026
Jun. 30, 2025
Goodwill [Roll Forward]      
Beginning balance   $ 9,691 $ 4,725
Goodwill, Acquired During Period   1,935 4,967
Foreign currency translation adjustments and other   0 1
Goodwill impairment loss   184  
Ending balance   11,442 9,691
GMPD      
Goodwill [Roll Forward]      
Beginning balance   0 0
Goodwill, Acquired During Period   0 0
Foreign currency translation adjustments and other   0 0
Goodwill impairment loss   0 675
Ending balance   0 0
Accumulated goodwill impairment loss   5,400 5,400
Other Operating Segment      
Goodwill [Roll Forward]      
Beginning balance   1,748 1,170
Goodwill, Acquired During Period   (1) 578
Foreign currency translation adjustments and other   0 0
Goodwill impairment loss   0  
Ending balance   1,747 1,748
Accumulated goodwill impairment loss   829 829
Pharmaceutical and Specialty Solutions      
Goodwill [Roll Forward]      
Beginning balance   7,943 3,555
Goodwill, Acquired During Period   1,936 4,389
Foreign currency translation adjustments and other   0 1
Goodwill impairment loss $ 184 184  
Ending balance   $ 9,695 $ 7,943