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RESTRUCTURING AND OTHER RELATED COSTS (Details) $ in Millions | 12 Months Ended
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Oct. 31, 2024 USD ($) numberOfCustomers | Oct. 31, 2023 USD ($) numberOfCustomers
Restructuring Cost and Reserve [Line Items] |  |
Restructuring Reserve, Beginning Balance | $ 36 | $ 0
Restructuring Charges | 76 | 46
Non-cash settlement | (8) | (9)
Payments for Restructuring | (91) | (1)
Restructuring Reserve, Ending Balance | 13 | 36
Restructuring and Related Cost, Cost Incurred to Date | 122 |
FY23 Restructuring Plan |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring Reserve, Beginning Balance | 36 | 0
Restructuring Charges | 4 | 46
Non-cash settlement | (1) | (9)
Payments for Restructuring | (37) | (1)
Restructuring Reserve, Ending Balance | 2 | $ 36
Restructuring and Related Cost, Cost Incurred to Date | 50 |
Restructuring and Related Cost, Positions Eliminated [Abstract] |  |
Restructuring and Related Cost, Number of Positions Eliminated | numberOfCustomers |  | 400
Restructuring and Related Cost, Number of Positions Eliminated, Period Percent |  | 2.00%
FY24 Restructuring Plan |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring and Related Cost, Cost Incurred to Date | $ 72 |
Restructuring and Related Cost, Positions Eliminated [Abstract] |  |
Restructuring and Related Cost, Number of Positions Eliminated | numberOfCustomers | 500 |
Restructuring and Related Cost, Number of Positions Eliminated, Period Percent | 3.00% |
Cost of Product and Services |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring Charges | $ 13 | $ 11
Restructuring, Incurred Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] | Cost of revenue | Cost of revenue
Research and Development |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring Charges | $ 21 | $ 6
Restructuring, Incurred Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] | Research and Development Expense | Research and Development Expense
Selling, General and Administrative |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring Charges | $ 42 | $ 29
Restructuring, Incurred Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] | Selling, general and administrative | Selling, general and administrative
Employee Severance |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring Reserve, Beginning Balance | $ 31 | $ 0
Restructuring Charges | 75 | 33
Non-cash settlement | (7) | (1)
Payments for Restructuring | (86) | (1)
Restructuring Reserve, Ending Balance | 13 | 31
Employee Severance | FY23 Restructuring Plan |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring Reserve, Beginning Balance | 31 | 0
Restructuring Charges | 3 | 33
Non-cash settlement | 0 | (1)
Payments for Restructuring | (32) | (1)
Restructuring Reserve, Ending Balance | 2 | 31
Employee Severance | FY24 Restructuring Plan |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring Reserve, Beginning Balance | 0 |
Restructuring Charges | 72 |
Non-cash settlement | (7) |
Payments for Restructuring | (54) |
Restructuring Reserve, Ending Balance | 11 | 0
Facility Closing |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring Reserve, Beginning Balance | 5 | 0
Restructuring Charges | 1 | 13
Non-cash settlement | (1) | (8)
Payments for Restructuring | (5) | 0
Restructuring Reserve, Ending Balance | 0 | 5
Facility Closing | FY23 Restructuring Plan |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring Reserve, Beginning Balance | 5 | 0
Restructuring Charges | 1 | 13
Non-cash settlement | (1) | (8)
Payments for Restructuring | (5) | 0
Restructuring Reserve, Ending Balance | $ 0 | $ 5

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