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Acquisitions - Fair Value of Assets and Liabilities (Details) - USD ($)
$ in Millions
Oct. 31, 2022
Oct. 31, 2021
Oct. 31, 2020
Business Combination, Separately Recognized Transactions [Line Items]      
Goodwill $ 8,541 $ 6,803 $ 6,380
Acquisitions in fiscal 2022      
Business Combination, Separately Recognized Transactions [Line Items]      
Goodwill 1,766    
Amortizable intangible assets 1,429    
Net assets acquired (337)    
Total fair value of consideration $ 2,858    
Series of Individually Immaterial Business Acquisitions      
Business Combination, Separately Recognized Transactions [Line Items]      
Goodwill   400  
Amortizable intangible assets   385  
Net assets acquired   120  
Total fair value of consideration   $ 905