Borrowings (Details 3) (USD $)	3 Months Ended			3 Months Ended			3 Months Ended
	Jan. 31, 2014	Jan. 31, 2013	Jan. 31, 2014 Credit facilities	Jan. 31, 2014 Credit facility expiring March 2017	Sep. 30, 2012 Credit facility expiring March 2017 Euro	Sep. 30, 2012 Credit facility expiring March 2017 GBP	Jan. 31, 2014 Credit facility expired February 2015	Jan. 31, 2014 Commercial paper item	Jan. 31, 2014 Commercial paper U.S. program	Sep. 30, 2012 Commercial paper Euro program	Jan. 31, 2014 Hewlett-Packard International Bank PLC Commercial paper Euro Commercial Paper/Certificate of Deposit Programme
Debt instruments
Number of commercial paper programs								2
Commercial paper authorization by HP					$ 2,200,000,000	$ 300,000,000		$ 16,000,000,000	$ 16,000,000,000	$ 3,000,000,000	$ 500,000,000
Amount of additional commercial paper authorization for subsidiaries								1,000,000,000
Amount available under credit facility			7,500,000,000	3,000,000,000			4,500,000,000
Term of credit facility				5 years			4 years
Available borrowing resources, other than 2012 Shelf Registration	17,600,000,000		1,400,000,000					16,200,000,000
Interest expense on borrowings recognized in Consolidated Condensed Statements of Earnings
Financing interest	72,000,000	80,000,000
Interest expense	99,000,000	122,000,000
Total interest expense	$ 171,000,000	$ 202,000,000