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Goodwill and Other Intangible Assets Narrative (Details) - USD ($)
$ in Millions
 3 Months Ended
Sep. 30, 2023
Jun. 30, 2023
Sep. 30, 2022
Goodwill and Intangible Assets Disclosure [Abstract]      
Amortization of intangible assets $ 64   $ 71
Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year 190    
Finite-Lived Intangible Asset, Expected Amortization, Year One 228    
Finite-Lived Intangible Assets, Amortization Expense, Year Two 205    
Finite-Lived Intangible Assets, Amortization Expense, Year Three 173    
Finite-Lived Intangible Assets, Amortization Expense, Year Four 146    
Goodwill [Line Items]      
Goodwill impairment 581    
Goodwill $ 4,025 $ 4,609  
Medical Unit [Member]      
Goodwill [Line Items]      
Discount Rate, Fair Value Input 11.00% 10.00%  
Terminal Growth Rate, Fair Value Input 2.00%    
Net Assets $ 5,300    
Goodwill $ 141    
Change in Discount Rate, Fair Value Input 1.00%    
Medical      
Goodwill [Line Items]      
Goodwill impairment $ 581   $ 154
Goodwill $ 1,376 $ 1,960