v3.26.1
GOODWILL AND OTHER INTANGIBLE ASSETS (Disclosures and Components of Purchased Other Intangibles) (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Jul. 31, 2026
Jul. 31, 2025
Jul. 31, 2026
Jul. 31, 2025
Oct. 31, 2025
Intangible Asset, Finite-Lived [Line Items]          
Amortizable intangible assets, Gross carrying amount $ 2,918   $ 2,918   $ 2,901
Accumulated Amortization and impairments 1,810   1,810   1,614
Amortizable intangible assets, Net book value 1,108   1,108   1,287
Intangible Asset, Excluding Goodwill, before Accumulated Amortization 2,923   2,923   2,918
Intangible Asset, Finite-Lived, Amortization Expense 65 $ 33 196 $ 97  
In Process Research and Development          
Intangible Asset, Finite-Lived [Line Items]          
Intangible Asset, Excluding Goodwill, Indefinite-Lived 5   5   17
Developed technology          
Intangible Asset, Finite-Lived [Line Items]          
Amortizable intangible assets, Gross carrying amount 2,003   2,003   1,987
Accumulated Amortization and impairments 1,229   1,229   1,099
Amortizable intangible assets, Net book value 774   774   888
Backlog          
Intangible Asset, Finite-Lived [Line Items]          
Amortizable intangible assets, Gross carrying amount 48   48   51
Accumulated Amortization and impairments 44   44   34
Amortizable intangible assets, Net book value 4   4   17
Trademark/Tradename          
Intangible Asset, Finite-Lived [Line Items]          
Amortizable intangible assets, Gross carrying amount 43   43   43
Accumulated Amortization and impairments 42   42   39
Amortizable intangible assets, Net book value 1   1   4
Customer relationships          
Intangible Asset, Finite-Lived [Line Items]          
Amortizable intangible assets, Gross carrying amount 824   824   820
Accumulated Amortization and impairments 495   495   442
Amortizable intangible assets, Net book value $ 329   329   $ 378
In Process Research and Development          
Intangible Asset, Finite-Lived [Line Items]          
Intangible Asset, Finite-Lived, Period Increase (Decrease)     $ 8