| Cover Page | Jan. 30, 2025 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Jan. 30, 2025 |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-37483 |
| 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 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Entity Central Index Key | 0001645590 |
| Amendment Flag | false |
| Document Information [Line Items] | |
| Document Period End Date | Jan. 30, 2025 |
| Entity Registrant Name | HEWLETT PACKARD ENTERPRISE COMPANY |
| Common Stock | |
| Cover [Abstract] | |
| Title of 12(b) Security | Common stock, par value $0.01 per share |
| Trading Symbol | HPE |
| Security Exchange Name | NYSE |
| Document Information [Line Items] | |
| Title of 12(b) Security | Common stock, par value $0.01 per share |
| Trading Symbol | HPE |
| Security Exchange Name | NYSE |
| Preferred Stock | |
| Cover [Abstract] | |
| 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 |
| 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 |
