XML 12 R1.htm IDEA: XBRL DOCUMENT v3.5.0.2
Document and Entity Information - shares
 9 Months Ended
Jul. 31, 2016
Sep. 01, 2016
Entity Information [Line Items]    
Entity Registrant Name Keysight Technologies, Inc.  
Entity Central Index Key 0001601046  
Current Fiscal Year End Date --10-31  
Entity Voluntary Filers No  
Entity Current Reporting Status Yes  
Entity Filer Category Large Accelerated Filer  
Entity Common Stock, Shares Outstanding   169,936,965
Document Fiscal Year Focus 2016  
Document Fiscal Period Focus Q3  
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Jul. 31, 2016  
Trading Symbol KEYS