Financial Instruments (Tables)

12 Months Ended

Oct. 31, 2020

Investments, All Other Investments [Abstract]

Schedule of Cash Equivalents and Available-for-Sale Investments

Cash Equivalents and Available-for-Sale Investments

	As of October 31, 2020								As of October 31, 2019
	Cost		Gross Unrealized Gain		Gross Unrealized Loss		Fair Value		Cost		Gross Unrealized Gain		Gross Unrealized Loss		Fair Value
	In millions
Cash Equivalents:
Corporate debt	$	1,700	$	—	$	—	$	1,700	$	1,283	$	—	$	—	$	1,283
Financial institution instruments	59		—		—		59		—		—		—		—
Government debt	2,173		—		—		2,173		2,422		—		—		2,422
Total cash equivalents	3,932		—		—		3,932		3,705		—		—		3,705
Available-for-Sale Investments:
Corporate debt(1)	169		—		—		169		—		—		—		—
Financial institution instruments(1)	32		—		—		32		—		—		—		—
Government debt(1)	73		—		—		73		—		—		—		—
Marketable equity securities and Mutual funds	42		16		—		58		40		16		—		56
Total available-for-sale investments	316		16		—		332		40		16		—		56
Total cash equivalents and available-for-sale investments	$	4,248	$	16	$	—	$	4,264	$	3,745	$	16	$	—	$	3,761

(1)HP classifies its marketable debt securities as available-for-sale investments within Other current assets on the Consolidated Balance Sheets, including those with maturity dates beyond one year, based on their highly liquid nature and availability for use in current operations.

Schedule of Contractual Maturities

Contractual maturities of investments in available-for-sale debt securities were as follows:

	As of October 31, 2020
	Amortized Cost		Fair Value
	In millions
Due in one year	$	274	$	274

Schedule of Fair Value of Derivative Instruments in the Consolidated Balance Sheets

The gross notional and fair value of derivative instruments in the Consolidated Balance Sheets were as follows:

	As of October 31, 2020										As of October 31, 2019
	Outstanding Gross Notional		Other Current Assets		Other Non-Current Assets		Other Current Liabilities		Other Non-Current Liabilities		Outstanding Gross Notional		Other Current Assets		Other Non-Current Assets		Other Current Liabilities		Other Non-Current Liabilities
	In millions
Derivatives designated as hedging instruments
Fair value hedges:
Interest rate contracts	$	875	$	4	$	—	$	—	$	3	$	750	$	—	$	4	$	—	$	—
Cash flow hedges:
Foreign currency contracts	15,661		148		30		199		37		15,639		260		111		123		28
Total derivatives designated as hedging instruments	16,536		152		30		199		40		16,389		260		115		123		28
Derivatives not designated as hedging instruments
Foreign currency contracts	5,319		13		—		20		—		7,146		10		—		14		—
Other derivatives	142		—		—		3		—		134		7		—		1		—
Total derivatives not designated as hedging instruments	5,461		13		—		23		—		7,280		17		—		15		—
Total derivatives	$	21,997	$	165	$	30	$	222	$	40	$	23,669	$	277	$	115	$	138	$	28

Schedule of Offsetting Derivative Liabilities

As of October 31, 2020 and 2019, information related to the potential effect of HP’s master netting agreements and collateral security agreements was as follows:

	In the Consolidated Balance Sheets
	(i)		(ii)		(iii) = (i)–(ii)		(iv)		(v)			(vi) = (iii)–(iv)–(v)
	Gross Amount Recognized		Gross Amount Offset		Net Amount Presented		Gross Amounts Not Offset
							Derivatives		Financial Collateral			Net Amount
	In millions
As of October 31, 2020
Derivative assets	$	195	$	—	$	195	$	156	$	4	(1)	$	35
Derivative liabilities	$	262	$	—	$	262	$	156	$	130	(2)	$	(24)
As of October 31, 2019
Derivative assets	$	392	$	—	$	392	$	113	$	259	(1)	$	20
Derivative liabilities	$	166	$	—	$	166	$	113	$	43	(2)	$	10

(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 through 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 Offsetting Derivative Assets

As of October 31, 2020 and 2019, information related to the potential effect of HP’s master netting agreements and collateral security agreements was as follows:

	In the Consolidated Balance Sheets
	(i)		(ii)		(iii) = (i)–(ii)		(iv)		(v)			(vi) = (iii)–(iv)–(v)
	Gross Amount Recognized		Gross Amount Offset		Net Amount Presented		Gross Amounts Not Offset
							Derivatives		Financial Collateral			Net Amount
	In millions
As of October 31, 2020
Derivative assets	$	195	$	—	$	195	$	156	$	4	(1)	$	35
Derivative liabilities	$	262	$	—	$	262	$	156	$	130	(2)	$	(24)
As of October 31, 2019
Derivative assets	$	392	$	—	$	392	$	113	$	259	(1)	$	20
Derivative liabilities	$	166	$	—	$	166	$	113	$	43	(2)	$	10

(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 through 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

The pre-tax effect of derivative instruments and related hedged items in a fair value hedging relationship was as follows:

Derivative Instrument	Hedged Item	Location	For the fiscal years ended October 31	Total amounts of income/ (expense) line items in the statement of financial performance in which the effects of fair value hedges are recorded		Gain/ (loss) recognized in earnings on derivative instrument		(Loss)/ gain recognized in earnings on hedged item
				In millions
Interest rate contracts	Fixed-rate debt	Interest and other, net	2020	$	(231)	$	6	$	(6)
			2019	(1,354)		27		(27)
			2018	(818)		(11)		11

Schedule of Pre-tax Effect of Derivative Instruments in Cash Flow and Net Investment Hedging Relationships

The pre-tax effect of derivative instruments in cash flow hedging relationships included in Accumulated other comprehensive loss was as follows:

	For the fiscal years ended October 31
	2020		2019		2018
	In millions
(Loss)/ gain recognized in Accumulated other comprehensive loss on derivatives:
Foreign currency contracts	$	(197)	$	252	$	341
Interest rate contracts	$	(4)	$	—	$	—

Schedule of Pre-tax Effect of Derivative Instruments in Cash Flow Hedging Relationships

The pre-tax effect of derivative instruments in cash flow hedging relationships included in earnings were as follows:

	Total amounts of income/ (expense) line items in the statement of financial performance in which the effects of cash flow hedges are recorded						Gain/ (loss) reclassified from Accumulated other comprehensive loss into earnings
	For the fiscal years ended October 31						For the fiscal years ended October 31
	2020		2019		2018		2020		2019		2018
	In millions						In millions
Net revenue	$	56,639	$	58,756	$	58,472	$	108	$	425	$	(239)
Cost of revenue	(46,202)		(47,586)		(47,803)		(25)		(43)		(18)
Operating expenses	(6,975)		(7,293)		(6,838)		2		(2)		(1)
Total	$	3,462	$	3,877	$	3,831	$	85	$	380	$	(258)

Schedule of Pre-tax Effect of Derivative Instruments not Designated as Hedging Instruments on 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 Consolidated Statements of Earnings for fiscal years 2020, 2019 and 2018 was as follows:

	Gain/ (loss) recognized in earnings on derivative instrument
	Location	2020		2019		2018
		In millions
Foreign currency contracts	Interest and other, net	$	40	$	(119)	$	35
Other derivatives	Interest and other, net	(9)		14		(9)
Total		$	31	$	(105)	$	26