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REVENUE- Revenue by Region (Details) - USD ($)
$ in Millions
3 Months Ended
Jan. 31, 2023
Jan. 31, 2022
Net revenue $ 1,756 $ 1,674
Life Sciences and Applied Markets    
Net revenue 1,033 976
Agilent CrossLab    
Net revenue 381 359
Diagnostics and Genomics    
Net revenue 342 339
Americas    
Net revenue 687 637
Americas | Life Sciences and Applied Markets    
Net revenue 332 317
Americas | Agilent CrossLab    
Net revenue 154 132
Americas | Diagnostics and Genomics    
Net revenue 201 188
Europe    
Net revenue 456 451
Europe | Life Sciences and Applied Markets    
Net revenue 259 252
Europe | Agilent CrossLab    
Net revenue 98 98
Europe | Diagnostics and Genomics    
Net revenue 99 101
Asia Pacific    
Net revenue 613 586
Asia Pacific | Life Sciences and Applied Markets    
Net revenue 442 407
Asia Pacific | Agilent CrossLab    
Net revenue 129 129
Asia Pacific | Diagnostics and Genomics    
Net revenue $ 42 $ 50