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v3.25.3

RESTRUCTURING AND OTHER RELATED COSTS - Rollforward (Details) $ in Millions | 12 Months Ended
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Oct. 31, 2025 USD ($) numberOfCustomers | Oct. 31, 2024 USD ($) numberOfCustomers | Oct. 31, 2023 USD ($)
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Reserve, Beginning Balance | $ 13 | $ 36 |
Restructuring Charges | 82 | 76 | $ 46
Non-cash settlement | (18) | (8) |
Payments for Restructuring | (60) | (91) |
Restructuring Reserve, Foreign Currency Translation Gain (Loss) | 1 |  |
Restructuring Reserve, Ending Balance | 18 | 13 | 36
Restructuring and Related Cost, Cost Incurred to Date | 204 |  |
FY23 Restructuring Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Reserve, Beginning Balance | 2 | 36 |
Restructuring Charges |  | 4 | 46
Non-cash settlement |  | (1) |
Payments for Restructuring | (2) | (37) |
Restructuring Reserve, Ending Balance | 0 | $ 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 | $ 73 |  |
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% |  |
FY25 Restructuring Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring and Related Cost, Cost Incurred to Date | $ 81 |  |
Employee Severance |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Reserve, Beginning Balance | 13 | $ 31 |
Restructuring Charges | 82 | 75 |
Non-cash settlement | (18) | (7) |
Payments for Restructuring | (60) | (86) |
Restructuring Reserve, Foreign Currency Translation Gain (Loss) | 1 |  |
Restructuring Reserve, Ending Balance | 18 | 13 | 31
Employee Severance | FY23 Restructuring Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Reserve, Beginning Balance | 2 | 31 |
Restructuring Charges |  | 3 |
Non-cash settlement |  | 0 |
Payments for Restructuring | (2) | (32) |
Restructuring Reserve, Ending Balance | 0 | 2 | 31
Employee Severance | FY24 Restructuring Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Reserve, Beginning Balance | 11 | 0 |
Restructuring Charges | 1 | 72 |
Non-cash settlement |  | (7) |
Payments for Restructuring | (12) | (54) |
Restructuring Reserve, Ending Balance | 0 | 11 | 0
Employee Severance | FY25 Restructuring Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Reserve, Beginning Balance | 0 |  |
Restructuring Charges | 81 |  |
Non-cash settlement | (18) |  |
Payments for Restructuring | (46) |  |
Restructuring Reserve, Foreign Currency Translation Gain (Loss) | 1 |  |
Restructuring Reserve, Ending Balance | 18 | 0 |
Facility Closing |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Reserve, Beginning Balance | 0 | 5 |
Restructuring Charges | 0 | 1 |
Non-cash settlement | 0 | (1) |
Payments for Restructuring | 0 | (5) |
Restructuring Reserve, Foreign Currency Translation Gain (Loss) | 0 |  |
Restructuring Reserve, Ending Balance | 0 | 0 | 5
Facility Closing | FY23 Restructuring Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Reserve, Beginning Balance | 0 | 5 |
Restructuring Charges |  | 1 |
Non-cash settlement |  | (1) |
Payments for Restructuring | 0 | (5) |
Restructuring Reserve, Ending Balance | $ 0 | $ 0 | $ 5

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