Document and Entity Information	3 Months Ended
	Jan. 31, 2018 shares
Document and Entity Information
Entity Registrant Name	HP Inc.
Entity Central Index Key	0000047217
Document Type	10-Q
Document Period End Date	Jan. 31, 2018
Amendment Flag	false
Current Fiscal Year End Date	--10-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding	1,641,373,766
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	Q1