v3.26.1
Financial Instruments (Tables)
 6 Months Ended
Apr. 30, 2026
Investments, All Other Investments [Abstract]  
Schedule of Cash Equivalents and Available-for-Sale Investments
Cash Equivalents and Available-for-Sale Investments
 As of April 30, 2026As of October 31, 2025
 CostGross Unrealized GainGross Unrealized LossFair ValueCostGross Unrealized GainGross Unrealized LossFair Value
 In millions
Cash Equivalents        
Government debt(1)
990 — — 990 1,878 — — 1,878 
Total cash equivalents990 — — 990 1,878 — — 1,878 
Available-for-Sale Investments     
Financial institution instruments3 — — 3 3 — — 3 
Marketable securities and mutual funds(2)
97 25 — 122 104 27 — 131 
Total available-for-sale investments100 25 — 125 107 27 — 134 
Total cash equivalents and available-for-sale investments$1,090 $25 $— $1,115 $1,985 $27 $— $2,012 
(1)    Money market funds invested in government debt and traded in active markets are included in Level 1. Government debt includes instruments such as U.S. treasury notes, U.S. agency securities and non-U.S. government bonds.
(2)    As of April 30, 2026 and October 31, 2025, $53 million and $63 million, respectively, of debt securities were restricted to fund benefits received by qualifying employees under a sponsored defined benefit plan.
Schedule of Contractual Maturities of Investments in Available-for-Sale Debt Securities
Contractual maturities of investments in available-for-sale debt securities were as follows:
As of April 30, 2026
 Amortized CostFair Value
 In millions
Due in one year$13 $14 
Due in one to five years41 42 
$54 $56 
Schedule of Gross Notional and Fair Value of Derivative Financial Instruments in the Consolidated Condensed Balance Sheets
The gross notional and fair value of derivative instruments in the Condensed Consolidated Balance Sheets were as follows:
 As of April 30, 2026As of October 31, 2025
 Outstanding Gross NotionalOther Current AssetsOther Non-Current AssetsOther Current LiabilitiesOther Non-Current LiabilitiesOutstanding Gross NotionalOther Current AssetsOther Non-Current AssetsOther Current LiabilitiesOther Non-Current Liabilities
 In millions
Derivatives designated as hedging instruments     
Fair value hedges:     
Interest rate contracts$— $— $— $— $— $250 $— $— $1 $— 
Cash flow hedges:
Foreign currency contracts17,541 118 22 201 36 14,492 141 27 174 54 
Total derivatives designated as hedging instruments17,541 118 22 201 36 14,742 141 27 175 54 
Derivatives not designated as hedging instruments    
Foreign currency contracts4,174 14 — 15 — 4,389 14 — 14 — 
Other derivatives161 9 — — — 168 1 — 1 — 
Total derivatives not designated as hedging instruments4,335 23 — 15 — 4,557 15 — 15 — 
Total derivatives$21,876 $141 $22 $216 $36 $19,299 $156 $27 $190 $54 
Schedule of Information Related to the Potential Effect of Entity's Master Netting Agreements and Collateral Security Agreements, Offsetting Assets As of April 30, 2026 and October 31, 2025, information related to the potential effect of HP’s master netting agreements and collateral security agreements was as follows:
 
In the Condensed Consolidated Balance Sheets
  
 (i)(ii)(iii) = (i)–(ii)(iv)(v)(vi) = (iii)–(iv)–(v)
Gross Amounts Not Offset
 Gross Amount
Recognized		Gross Amount
Offset		Net Amount
Presented		DerivativesFinancial
Collateral		 Net Amount
 In millions
As of April 30, 2026       
Derivative assets$163 $— $163 $127 $23 (1)$13 
Derivative liabilities$252 $— $252 $127 $189 (2)$(64)
As of October 31, 2025       
Derivative assets$183 $— $183 $143 $15 (1)$25 
Derivative liabilities$244 $— $244 $143 $279 (2)$(178)
(1)Represents the cash collateral posted by counterparties as of the respective reporting date for HP’s asset position, net of derivative amounts that could be offset, as of, generally, two business days prior to the respective reporting date.
(2)Represents the collateral posted by HP including any excess or re-use of counterparty cash collateral as of the respective reporting date for HP’s liability position, net of derivative amounts that could be offset as of, generally, two business days prior to the respective reporting date.
Schedule of Information Related to the Potential Effect of Entity's Master Netting Agreements and Collateral Security Agreements, Offsetting Liabilities As of April 30, 2026 and October 31, 2025, information related to the potential effect of HP’s master netting agreements and collateral security agreements was as follows:
 
In the Condensed Consolidated Balance Sheets
  
 (i)(ii)(iii) = (i)–(ii)(iv)(v)(vi) = (iii)–(iv)–(v)
Gross Amounts Not Offset
 Gross Amount
Recognized		Gross Amount
Offset		Net Amount
Presented		DerivativesFinancial
Collateral		 Net Amount
 In millions
As of April 30, 2026       
Derivative assets$163 $— $163 $127 $23 (1)$13 
Derivative liabilities$252 $— $252 $127 $189 (2)$(64)
As of October 31, 2025       
Derivative assets$183 $— $183 $143 $15 (1)$25 
Derivative liabilities$244 $— $244 $143 $279 (2)$(178)
(1)Represents the cash collateral posted by counterparties as of the respective reporting date for HP’s asset position, net of derivative amounts that could be offset, as of, generally, two business days prior to the respective reporting date.
(2)Represents the collateral posted by HP including any excess or re-use of counterparty cash collateral as of the respective reporting date for HP’s liability position, net of derivative amounts that could be offset as of, generally, two business days prior to the respective reporting date.
Schedule of Pre-Tax Effect of Derivative Instruments and Related Hedged Items in a Fair Value Hedging Relationship
The pre-tax effect of derivative instruments and related hedged items in a fair value hedging relationship were as follows:
Derivative InstrumentHedged ItemLocationYearGain/(loss) recognized in earnings on derivative instrumentsGain/(loss) recognized in earnings on hedged item
In millions
Three months ended April 30
Interest rate contractFixed-rate debtInterest and other, net2026$— $— 
2025$8 $(8)
Six months ended April 30
Interest rate contractFixed-rate debtInterest and other, net2026$1 $(1)
2025$15 $(15)
Schedule of Pre-Tax Effect of Derivative Instruments in Cash Flow Hedging Relationships Included in Accumulated Other Comprehensive (Loss) Income
The pre-tax effect of derivative instruments in cash flow hedging relationships included in Accumulated other comprehensive (loss) income was as follows:
Three months ended April 30Six months ended April 30
2026202520262025
In millions
Gain/(loss) recognized in Accumulated other comprehensive (loss) income on derivatives:
Foreign currency contracts$106 $(687)$(147)$(363)
Interest rate contracts— (5)— 3 
Total$106 $(692)$(147)$(360)
Schedule of Pre-Tax Effect of Derivative Instruments in Cash Flow Hedging Relationships Included in Earnings
The pre-tax effect of derivative instruments in cash flow hedging relationships included in earnings were as follows:
(Loss)/gain reclassified from Accumulated 
other comprehensive (loss) income into earnings
Three months ended April 30Six months ended April 30
2026202520262025
In millions
Products net revenue$(87)$167 $(89)$234 
Cost of products net revenue(13)(23)(24)(50)
Operating expenses2 1 4 1 
Interest and other, net4 3 8 6 
Total$(94)$148 $(101)$191 
Schedule of Pre-Tax Effect of Derivative Instruments Not Designated as Hedging Instruments Recognized in Interest and Other, Net in the Consolidated Condensed Statements of Earnings
The pre-tax effect of derivative instruments not designated as hedging instruments recognized in Interest and other, net in the Condensed Consolidated Statements of Earnings was as follows:
Gain/(loss) recognized in earnings on derivative instrument
 Three months ended April 30Six months ended April 30
 Location2026202520262025
  In millions
Foreign currency contractsInterest and other, net$— $(11)$(7)$(14)
Other derivativesInterest and other, net7 1 8 5 
Total $7 $(10)$1 $(9)