v3.26.1
Restructuring and Other Charges - Schedule of Restructuring Activities by Plan (Details)
$ in Millions
 6 Months Ended
Apr. 30, 2026
USD ($)
Apr. 30, 2025
USD ($)
Restructuring Reserve [Roll Forward]    
Accrued balance, beginning of the period $ 172 $ 138
Charges 189 161
Cash payments (172) (118)
Non-cash and other adjustments (12) (15)
Accrued balance, end of the period 177 166
Reflected in the Condensed Consolidated Balance Sheets    
Other current liabilities 141  
Other non-current liabilities 36  
Other prior plan costs    
Restructuring Reserve [Roll Forward]    
Accrued balance, beginning of the period 172 138
Charges 4 161
Cash payments (109) (118)
Non-cash and other adjustments 2 (15)
Accrued balance, end of the period 69 166
Reflected in the Condensed Consolidated Balance Sheets    
Other current liabilities 65  
Other non-current liabilities 4  
Severance | Fiscal 2026 Plan    
Restructuring Reserve [Roll Forward]    
Accrued balance, beginning of the period 0 0
Charges 162 0
Cash payments (54) 0
Non-cash and other adjustments 0 0
Accrued balance, end of the period 108 0
Reflected in the Condensed Consolidated Balance Sheets    
Other current liabilities 76  
Other non-current liabilities 32  
Non-labor | Fiscal 2026 Plan    
Restructuring Reserve [Roll Forward]    
Accrued balance, beginning of the period 0 0
Charges 23 0
Cash payments (9) 0
Non-cash and other adjustments (14) 0
Accrued balance, end of the period 0 $ 0
Reflected in the Condensed Consolidated Balance Sheets    
Other current liabilities 0  
Other non-current liabilities $ 0