v3.26.1
Cover Page - shares
 6 Months Ended
Apr. 30, 2026
May 26, 2026
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Apr. 30, 2026  
Document Transition Report false  
Entity File Number 001-37483  
Entity Registrant Name HEWLETT PACKARD ENTERPRISE COMPANY  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 47-3298624  
Entity Address, Address Line One 1701 East Mossy Oaks Road,  
Entity Address, City or Town Spring,  
Entity Address, State or Province TX  
Entity Address, Postal Zip Code 77389  
City Area Code (678)  
Local Phone Number 259-9860  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   1,324,203,521
Entity Central Index Key 0001645590  
Amendment Flag false  
Current Fiscal Year End Date --10-31  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q2  
Common Stock    
Document Information [Line Items]    
Title of 12(b) Security Common stock, par value $0.01 per share  
Trading Symbol HPE  
Security Exchange Name NYSE  
Series C Preferred Stock    
Document Information [Line Items]    
Title of 12(b) Security 7.625% Series C Mandatory Convertible Preferred Stock, par value $0.01 per share  
Trading Symbol HPEPRC  
Security Exchange Name NYSE