Fair Value (Tables)

12 Months Ended

Oct. 31, 2024

Fair Value Disclosures [Abstract]

Schedule of 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, 2024								As of October 31, 2023
	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
Corporate debt	$	—	$	1,012	$	—	$	1,012	$	—	$	589	$	—	$	589
Government debt(1)	1,332		—		—		1,332		1,900		—		—		1,900
Available-for-Sale Investments
Financial institution instruments	—		3		—		3		—		3		—		3
Marketable securities and mutual funds(2)	54		130		—		184		33		45		—		78
Derivative Instruments
Interest rate contracts	—		4		—		4		—		—		—		—
Foreign currency contracts	—		225		—		225		—		489		—		489
Total assets	$	1,386	$	1,374	$	—	$	2,760	$	1,933	$	1,126	$	—	$	3,059
Liabilities:
Derivative Instruments
Interest rate contracts	$	—	$	22	$	—	$	22	$	—	$	58	$	—	$	58
Foreign currency contracts	—		158		—		158		—		212		—		212
Other derivatives	—		2		—		2		—		2		—		2
Total liabilities	$	—	$	182	$	—	$	182	$	—	$	272	$	—	$	272

(1)    Government debt includes instruments such as U.S. treasury notes, U.S. agency securities and non-U.S. government bonds. Money market funds invested in government debt and traded in active markets are included in Level 1.

(2)    As of October 31, 2024, $78 million of debt securities were restricted to fund benefits received by qualifying employees under a sponsored defined benefit plan.