Stock-Based Compensation (Tables)

12 Months Ended

Oct. 31, 2025

Share-Based Payment Arrangement [Abstract]

Schedule of Stock-Based Compensation Expense and the Resulting Tax Benefits

Stock-based compensation expense and the resulting tax benefits for operations were as follows:

	For the fiscal years ended October 31
	2025		2024		2023
	In millions
Stock-based compensation expense	$	522	$	452	$	438
Income tax benefit	(88)		(77)		(72)
Stock-based compensation expense, net of tax	$	434	$	375	$	366

Schedule of Assumptions Used to Measure Fair Value of Restricted Stock Units

The assumptions used to measure the fair value of restricted stock units subject to performance-adjusted vesting conditions in the Monte Carlo simulation model were as follows:

	For the fiscal years ended October 31
	2025		2024		2023
Expected volatility(1)	34.0	%	33.9	%	44.4	%
Risk-free interest rate(2)	4.0	%	4.1	%	4.0	%
Expected performance period in years(3)	2.9		2.9		2.9

(1)The expected volatility was estimated using the historical volatility derived from HP’s common stock.

(2)The risk-free interest rate was estimated based on the yield on U.S. Treasury zero-coupon issues.

(3)The expected performance period was estimated based on the length of the remaining performance period from the grant date.

Schedule of Restricted Stock Awards Activity

A summary of restricted stock units activity is as follows:

	As of October 31
	2025			2024			2023
	Shares	Weighted- Average Grant Date Fair Value Per Share		Shares	Weighted- Average Grant Date Fair Value Per Share		Shares	Weighted- Average Grant Date Fair Value Per Share
	In thousands			In thousands			In thousands
Outstanding at beginning of year	31,868	$	30	30,209	$	31	28,688	$	30
Granted	20,759	$	34	18,262	$	32	18,500	$	31
Vested	(14,912)	$	31	(14,483)	$	33	(15,291)	$	29
Forfeited	(3,092)	$	32	(2,120)	$	31	(1,688)	$	31
Outstanding at end of year	34,623	$	32	31,868	$	30	30,209	$	31

Schedule of Shares Available for Future Grant and Shares Reserved for Future Issuance

Shares available for future grant and shares reserved for future issuance under the stock-based incentive compensation plans and the 2021 ESPP were as follows:

	As of October 31
	2025	2024	2023
	In thousands
Shares available for future grant	100,719	144,553	133,033
Shares reserved for future issuance	139,863	181,463	169,503