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Cover Page - USD ($)
 12 Months Ended
Oct. 31, 2025
Dec. 01, 2025
Apr. 30, 2025
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Oct. 31, 2025    
Current Fiscal Year End Date --10-31    
Document Transition Report false    
Entity File Number 1-4423    
Entity Registrant Name HP Inc.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 94-1081436    
Entity Address, Address Line One 1501 Page Mill Road    
Entity Address, City or Town Palo Alto    
Entity Address, State or Province CA    
Entity Address, Postal Zip Code 94304    
City Area Code 650    
Local Phone Number 857-1501    
Title of 12(b) Security Common stock, par value $0.01 per share    
Trading Symbol HPQ    
Security Exchange Name NYSE    
Entity Well-Known Seasoned Issuer Yes    
Entity Voluntary Filers No    
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    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction false    
Entity Shell Company false    
Entity Public Float     $ 24,121,817,659
Entity Common Stock, Shares Outstanding   917,984,523  
Documents Incorporated by Reference
DOCUMENTS INCORPORATED BY REFERENCE
DOCUMENT DESCRIPTION 10-K PART
Portions of the Registrant’s definitive proxy statement related to its 2026 Annual Meeting of Stockholders to be filed pursuant to Regulation 14A within 120 days after Registrant’s fiscal year end of October 31, 2025 are incorporated by reference into Part III of this Report.
 III
    
Entity Central Index Key 0000047217    
Amendment Flag false    
Document Fiscal Year Focus 2025    
Document Fiscal Period Focus FY