Fair Value (Tables)

12 Months Ended

Oct. 31, 2016

Fair Value Disclosures [Abstract]

Assets and Liabilities Measured at Fair Value on a Recurring Basis

The following table presents HP’s assets and liabilities that are measured at fair value on a recurring basis:

	As of October 31, 2016								As of October 31, 2015
	Fair Value Measured Using								Fair Value Measured Using
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
	In millions
Assets
Cash Equivalents and Investments:
Time deposits	$	—	$	2,092	$	—	$	2,092	$	—	$	1,111	$	—	$	1,111
Money market funds	2,568		—		—		2,568		4,303		—		—		4,303
Marketable equity securities	5		4		—		9		6		3		—		9
Foreign bonds	—		—		—		—		—		42		—		42
Mutual funds	44		—		—		44		—		—		—		—
Other debt securities	—		2		—		2		—		2		—		2
Derivative Instruments:
Interest rate contracts	—		48		—		48		—		38		—		38
Foreign currency contracts	—		266		11		277		—		213		2		215
Other derivatives	—		—		—		—		—		5		—		5
Total assets	$	2,617	$	2,412	$	11	$	5,040	$	4,309	$	1,414	$	2	$	5,725
Liabilities
Derivative Instruments:
Interest rate contracts	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Foreign currency contracts	—		94		1		95		—		302		2		304
Other derivatives	—		2		—		2		—		—		—		—
Total liabilities	$	—	$	96	$	1	$	97	$	—	$	302	$	2	$	304