v3.26.1
Goodwill and Other Intangible Assets (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Mar. 31, 2026
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
Goodwill [Line Items]        
Goodwill   $ 11,442 $ 9,691 $ 4,725
Goodwill impairment loss   184    
Intangible Asset, Finite-Lived, Amortization Expense   361 303 264
Estimated annual amortization of intangible assets - 2027   384    
Estimated annual amortization of intangible assets - 2028   349    
Estimated annual amortization of intangible assets - 2029   327    
Estimated annual amortization of intangible assets - 2030   306    
Estimated annual amortization of intangible assets - 2031   253    
GMPD        
Goodwill [Line Items]        
Goodwill   0 0 0
Accumulated goodwill impairment loss   5,400 5,400  
Goodwill impairment loss   0 675  
Other Operating Segment        
Goodwill [Line Items]        
Goodwill   1,747 1,748 1,170
Accumulated goodwill impairment loss   829 829  
Goodwill impairment loss   0    
Pharmaceutical and Specialty Solutions        
Goodwill [Line Items]        
Goodwill   9,695 $ 7,943 $ 3,555
Goodwill impairment loss $ 184 $ 184