Retirement and Post-Retirement Benefit Plans (Tables)

12 Months Ended

Oct. 31, 2015

Retirement and Post-Retirement Benefit Plans

Schedule of net pension and post-retirement benefit (credit) costs recognized in the Consolidated Statements of Earnings

	For the fiscal years ended October 31
	2015		2014		2013		2015		2014		2013		2015		2014		2013
	U.S. Defined Benefit Plans						Non-U.S. Defined Benefit Plans						Post-Retirement Benefit Plans
	In millions
Service cost	$	1	$	1	$	1	$	208	$	234	$	239	$	5	$	5	$	6
Interest cost	556		554		545		289		454		404		28		32		31
Expected return on plan assets	(849)		(811)		(845)		(601)		(776)		(677)		(39)		(34)		(34)
Amortization and deferrals:
Actuarial loss (gain)	52		13		75		213		236		254		(11)		(10)		2
Prior service benefit	—		—		—		(15)		(21)		(24)		(19)		(41)		(67)
Net periodic benefit (credit) cost	(240)		(243)		(224)		94		127		196		(36)		(48)		(62)
Curtailment gain	—		—		—		—		(6)		(13)		—		—		(7)
Settlement (gain) loss	(79)		1		12		—		4		—		—		—		—
Special termination benefits	—		—		—		7		11		12		1		32		(5)
Total benefit (credit) cost	$	(319)	$	(242)	$	(212)	$	101	$	136	$	195	$	(35)	$	(16)	$	(74)
Less: Plan expense (credit) allocated to Hewlett Packard Enterprise(1)	—		—		—		25		(6)		(114)		28		18		66
Total benefit (credit) cost from continuing operations	$	(319)	$	(242)	$	(212)	$	126	$	130	$	81	$	(7)	$	2	$	(8)
Summary of total benefit (credit) cost:
Continuing operations	$	(319)	$	(242)	$	(212)	$	126	$	130	$	81	$	(7)	$	2	$	(8)
Discontinued operations	236		17		17		105		125		285		(28)		(18)		(66)
Total benefit (credit) cost	$	(83)	$	(225)	$	(195)	$	231	$	255	$	366	$	(35)	$	(16)	$	(74)

(1) Plan expense (credit) allocation relates to the employees of HP covered under Hewlett Packard Enterprise plans or employees of Hewlett Packard Enterprise covered under HP plans.

Schedule of weighted average assumptions used to calculate the total periodic benefit (credit) cost for all defined benefit and post-retirement benefit plans

	For the fiscal years ended October 31
	2015		2014		2013		2015		2014		2013		2015		2014		2013
	U.S. Defined Benefit Plans						Non-U.S. Defined Benefit Plans						Post-Retirement Benefit Plans
Discount rate	4.4	%	4.9	%	4.1	%	3.0	%	3.9	%	3.8	%	3.6	%	3.9	%	3.0	%
Expected increase in compensation levels	2.0	%	2.0	%	2.0	%	2.4	%	2.4	%	2.4	%	—		—		—
Expected long-term return on plan assets	7.2	%	7.7	%	7.8	%	6.9	%	7.0	%	7.2	%	9.0	%	8.9	%	9.0	%

Schedule of funded status of the defined benefit and post-retirement benefit plans

	As of October 31
	2015		2014		2015		2014		2015		2014
	U.S. Defined Benefit Plans				Non-U.S. Defined Benefit Plans				Post-Retirement Benefit Plans
	In millions
Change in fair value of plan assets:
Fair value of assets beginning of year	$	11,979	$	10,866	$	12,472	$	11,307	$	458	$	396
Acquisition/addition of plans	(1)		—		9		8		—		—
Actual return on plan assets	506		1,648		547		1,482		45		83
Employer contributions	8		7		487		270		38		92
Participant contributions	—		—		48		61		57		54
Benefits paid	(301)		(538)		(297)		(398)		(124)		(167)
Settlement	(1,114)		(4)		(9)		(20)		—		—
Currency impact	—		—		(737)		(718)		—		—
Transfers from Hewlett Packard Enterprise (1)	—		—		—		480		—		—
Transfers to Hewlett Packard Enterprise (2)	—		—		(11,667)		—		(40)		—
Fair value of assets —end of year	$	11,077	$	11,979	$	853	$	12,472	$	434	$	458
Change in benefits obligation
Projected benefit obligation—beginning of year	$	13,386	$	11,538	$	13,885	$	12,095	$	840	$	867
Acquisition/addition of plans	(1)		—		4		8		—		—
Service cost	1		1		208		234		5		5
Interest cost	556		554		289		454		28		32
Participant contributions	—		—		48		61		57		54
Actuarial loss (gain)	(170)		1,835		48		1,758		(49)		22
Benefits paid	(301)		(538)		(297)		(398)		(126)		(167)
Plan amendments	—		—		(7)		—		—		—
Curtailment	—		—		—		(36)		—		—
Settlement	(1,114)		(4)		(9)		(20)		—		—
Special termination benefits	—		—		7		11		1		32
Currency impact	—		—		(825)		(783)		(9)		(5)
Transfers from Hewlett Packard Enterprise (1)	365		—		—		501		—		—
Transfers to Hewlett Packard Enterprise (2)	(13)		—		(12,269)		—		(150)		—
Projected benefit obligation—end of year	$	12,709	$	13,386	$	1,082	$	13,885	$	597	$	840
Funded status at end of year	$	(1,632)	$	(1,407)	$	(229)	$	(1,413)	$	(163)	$	(382)
Accumulated Benefit Obligation	$	12,708	$	13,385	$	989	$	13,371	—		—

(1) In fiscal 2014, Hewlett Packard Enterprise’s plan in the Netherlands was merged into HP’s plan. In October 2015, Hewlett Packard Enterprise transferred to HP three unfunded non-qualified U.S. defined benefit plans.

(2) In fiscal 2015, in connection with the Separation, HP transferred plan assets and liabilities from HP’s plans to established Hewlett Packard Enterprise plans.

Schedule of weighted-average assumptions used to calculate the projected benefit obligations

	For the fiscal years ended October 31
	2015		2014		2015		2014		2015		2014
	U.S. Defined Benefit Plans				Non-U.S. Defined Benefit Plans				Post-Retirement Benefit Plans
Discount rate	4.4	%	4.4	%	2.3	%	3.2	%	3.6	%	3.6	%
Expected increase in compensation levels	2.0	%	2.0	%	2.5	%	2.5	%	—		—

Schedule of net amounts of noncurrent assets and current and noncurrent liabilities for the entity's defined benefit and post-retirement benefit plans recognized in the entity's Consolidated Balance Sheet

	As of October 31
	2015		2014		2015		2014		2015		2014
	U.S. Defined Benefit Plans				Non-U.S. Defined Benefit Plans				Post-Retirement Benefit Plans
					In millions
Noncurrent assets	$	—	$	—	$	37	$	379	$	—	$	—
Current liabilities	(35)		(15)		(4)		(20)		(43)		(47)
Noncurrent liabilities	(1,597)		(1,392)		(262)		(1,772)		(120)		(335)
Funded status at end of year	$	(1,632)	$	(1,407)	$	(229)	$	(1,413)	$	(163)	(382)

Summary of pretax net actuarial loss (gain) and prior service benefit recognized in Accumulated other comprehensive loss for defined benefit and post-retirement benefit plans

	As of October 31, 2015
	U.S. Defined Benefit Plans		Non-U.S. Defined Benefit Plans		Post-Retirement Benefit Plans
			In millions
Net actuarial loss (gain)	$	1,379	$	5,161	$	(173)
Prior service benefit	—		(242)		(99)
Total recognized in Accumulated other comprehensive loss	$	1,379	$	4,919	$	(272)

Summary of actuarial loss (gain) and prior service benefit that are expected to be amortized from accumulated other comprehensive loss (income) and recognized as components of net periodic benefit cost (credit) from continuing operations

	U.S. Defined Benefit Plans		Non-U.S. Defined Benefit Plans		Post-Retirement Benefit Plans
			In millions
Net actuarial loss (gain)	$	55	$	25	$	(12)
Prior service benefit	—		(3)		(17)
Total expected to be recognized in net periodic benefit cost (credit)	$	55	$	22	$	(29)

Schedule of defined benefit plans with projected benefit obligations exceeding the fair value of plan assets

	As of October 31
	2015		2014		2015		2014
	U.S. Defined Benefit Plans				Non-U.S. Defined Benefit Plans
	In millions
Aggregate fair value of plan assets	$	11,077	$	11,979	$	418	$	8,058
Aggregate projected benefit obligation	$	12,709	$	13,386	$	684	$	9,852

Schedule of defined benefit plans with accumulated benefit obligations exceeding the fair value of plan assets

	As of October 31
	2015		2014		2015		2014
	U.S. Defined Benefit Plans				Non-U.S. Defined Benefit Plans
	In millions
Aggregate fair value of plan assets	$	11,077	$	11,979	$	409	$	7,935
Aggregate accumulated benefit obligation	$	12,708	$	13,385	$	609	$	9,364

Schedule of fair value of plan assets by asset category within the fair value hierarchy

	As of October 31, 2015
	U.S. Defined Benefit Plans								Non-U.S. Defined Benefit Plans								Post-Retirement Benefit Plans
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
	In millions
Asset Category:
Equity securities
U.S.	$	1,833	$	47	$	—	$	1,880	$	124	$	11	$	—	$	135	$	—	$	1	$	—	$	1
Non-U.S.	1,322		13		—		1,335		135		86		15		236		—		—		—		—
Debt securities
Corporate	—		3,238		31		3,269		—		282		—		282		—		28		—		28
Government(1)	—		1,756		—		1,756		—		85		—		85		—		39		—		39
Alternative Investments
Private Equity(2)	—		—		1,170		1,170		—		—		2		2		—		—		253		253
Hybrids(3)	—		—		—		—		—		7		2		9		—		—		—		—
Hedge Funds(4)	—		388		260		648		3		6		4		13		—		—		—		—
Real Estate Funds	—		—		—		—		17		16		—		33		—		—		—		—
Insurance Group Annuity Contracts	—		—		—		—		—		(2)		4		2		—		—		—		—
Common Collective Trusts and 103-12 Investment Entities(5)	—		756		—		756		—		7		—		7		—		59		—		59
Registered Investment Companies(6)	38		176		—		214		—		1		—		1		52		3		—		55
Cash and Cash Equivalents(7)	38		203		—		241		33		—		—		33		4		3		—		7
Other(8)	(224)		32		—		(192)		7		1		7		15		(8)		—		—		(8)
Total	$	3,007	$	6,609	$	1,461	$	11,077	$	319	$	500	$	34	$	853	$	48	$	133	$	253	$	434

(1) Includes debt issued by national, state and local governments and agencies.

(2) Includes limited partnerships such as equity, buyout, venture capital, real estate and other similar funds that invest in the U.S. and internationally where foreign currencies are hedged.

(3) Includes a fund that invests in both private and public equities primarily in the U.S. and the United Kingdom, as well as emerging markets across all sectors. The fund also holds fixed income and derivative instruments to hedge interest rate and inflation risk. In addition, the fund includes units in transferable securities, collective investment schemes, money market funds, cash and deposits.

(4) Includes limited partnerships that invest both long and short primarily in common stocks and credit, relative value, event driven equity, distressed debt and macro strategies. Management of the hedge funds has the ability to shift investments from value to growth strategies, from small to large capitalization stocks and bonds, and from a net long position to a net short position.

(5) Department of Labor 103-12 IE (Investment Entity) designation is for plan assets held by two or more unrelated employee benefit plans which includes limited partnerships and venture capital partnerships.

(6) Includes publicly and privately traded Registered Investment Entities.

(7) Includes cash and cash equivalents such as short-term marketable securities.

(8) Includes primarily unsettled transactions, international insured contracts, and derivative instruments. Such unsettled transactions relate primarily to fixed income securities settled in the first quarter of fiscal 2016.

	As of October 31, 2014
	U.S. Defined Benefit Plans								Non-U.S. Defined Benefit Plans								Post-Retirement Benefit Plans
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
	In millions
Asset Category:
Equity securities
U.S.	$	1,787	$	—	$	—	$	1,787	$	1,986	$	30	$	—	$	2,016	$	—	$	—	$	—	$	—
Non-U.S.	1,268		—		—		1,268		2,788		742		80		3,610		—		—		—		—
Debt securities
Corporate	—		3,283		7		3,290		—		2,349		—		2,349		—		20		—		20
Government(1)	—		2,204		—		2,204		—		1,615		—		1,615		—		22		—		22
Alternative Investments
Private Equity(2)	—		—		1,284		1,284		—		2		23		25		—		—		271		271
Hybrids(3)	—		—		3		3		114		1,088		43		1,245		—		—		1		1
Hedge Funds(4)	—		346		263		609		—		26		285		311		—		—		—		—
Real Estate Funds	—		—		—		—		220		277		207		704		—		—		—		—
Insurance Group Annuity Contracts	—		—		—		—		—		44		74		118		—		—		—		—
Common Collective Trusts and 103-12 Investment Entities(5)	—		854		—		854		—		—		—		—		—		55		—		55
Registered Investment Companies(6)	68		314		—		382		—		—		—		—		86		1		—		87
Cash and Cash Equivalents(7)	161		66		—		227		348		1		—		349		—		6		—		6
Other(8)	(24)		95		—		71		28		100		2		130		(4)		—		—		(4)
Total	$	3,260	$	7,162	$	1,557	$	11,979	$	5,484	$	6,274	$	714	$	12,472	$	82	$	104	$	272	$	458

(1) Includes debt issued by national, state and local governments and agencies.

(2) Includes limited partnerships such as equity, buyout, venture capital, real estate and other similar funds that invest in the U.S. and internationally where foreign currencies are hedged.

(3) Includes a fund that invests in both private and public equities primarily in the U.S. and the United Kingdom, as well as emerging markets across all sectors. The fund also holds fixed income and derivative instruments to hedge interest rate and inflation risk. In addition, the fund includes units in transferable securities, collective investment schemes, money market funds, cash and deposits.

(4) Includes limited partnerships that invest both long and short primarily in common stocks and credit, relative value, event driven equity, distressed debt and macro strategies. Management of the hedge funds has the ability to shift investments from value to growth strategies, from small to large capitalization stocks and bonds, and from a net long position to a net short position.

(5) Department of Labor 103-12 IE (Investment Entity) designation is for plan assets held by two or more unrelated employee benefit plans which includes limited partnerships and venture capital partnerships.

(6) Includes publicly and privately traded Registered Investment Entities.

(7) Includes cash and cash equivalents such as short-term marketable securities.

(8) Includes international insured contracts, derivative instruments and unsettled transactions.

Schedule of changes in fair value measurements of Level 3 investments

	For the fiscal year ended October 31, 2015
	U.S. Defined Benefit Plans										Non-U.S. Defined Benefit Plans																Post-Retirement Benefit Plans
	Debt Securities		Alternative Investments								Equity		Alternative Investments														Alternative Investments
	Corporate Debt		Private Equity		Hybrids		Hedge Funds		Total		Non U.S. Equities		Private Equity		Hybrids		Hedge Funds		Real Estate		Insurance Group Annuities		Other		Total		Private Equity		Hybrids		Total
	In millions
Beginning balance at October 31, 2014	$	7	$	1,284	$	3	$	263	$	1,557	$	80	$	23	$	43	$	285	$	207	$	74	$	2	$	714	$	271	$	1	$	272
Actual return on plan assets:
Relating to assets still held at the reporting date	—		(25)		—		(3)		(28)		(5)		—		(3)		(7)		(10)		(10)		2		(33)		(2)		—		(2)
Relating to assets sold during the period	—		145		(1)		—		144		—		2		(22)		—		—		—		—		(20)		46		—		46
Purchases, sales, and settlements (net)	24		(234)		(2)		—		(212)		—		3		—		12		(1)		(2)		—		12		(62)		(1)		(63)
Transfers in and/or out of Level 3	—		—		—		—		—		21		(7)		9		(84)		(173)		—		37		(197)		—		—		—
Transfers from (to) Hewlett Packard Enterprise	—		—		—		—		—		(81)		(19)		(25)		(202)		(23)		(58)		(34)		(442)		—		—		—
Ending balance at October 31, 2015	$	31	$	1,170	$	—	$	260	$	1,461	$	15	$	2	$	2	$	4	$	—	$	4	$	7	$	34	$	253	$	—	$	253

	For the fiscal year ended October 31, 2014
	U.S. Defined Benefit Plans										Non-U.S. Defined Benefit Plans														Post-Retirement Benefit Plans
	Debt Securities		Alternative Investments								Equity		Alternative Investments														Alternative Investments
	Corporate Debt		Private Equity		Hybrids		Hedge Funds		Total		Non U.S. Equities		Private Equity		Hybrids		Hedge Funds		Real Estate		Insurance Group Annuities		Other		Total		Private Equity		Hybrids		Total
															In millions
Beginning balance at October 31, 2013	$	—	$	1,250	$	2	$	113	$	1,365	$	77	$	30	$	—	$	194	$	159	$	40	$	2	$	502	$	234	$	1	$	235
Actual return on plan assets:
Relating to assets still held at the reporting date	—		92		1		10		103		3		2		—		14		21		(7)		—		33		51		—		51
Relating to assets sold during the period	—		169		—		—		169		—		2		—		(1)		—		—		—		1		21		—		21
Purchases, sales, and settlements (net)	7		(227)		—		140		(80)		—		(11)		43		72		11		(2)		—		113		(35)		—		(35)
Transfers in and/or out of Level 3	—		—		—		—		—		—		—		—		—		16		8		—		24		—		—		—
Transfer from (to) Hewlett Packard Enterprise	—		—		—		—		—		—		—		—		6		—		35		—		41		—		—		—
Ending balance at October 31, 2014	$	7	$	1,284	$	3	$	263	$	1,557	$	80	$	23	$	43	$	285	$	207	$	74	$	2	$	714	$	271	$	1	$	272

Schedule of weighted-average target and actual asset allocations across the benefit plans

	U.S. Defined Benefit Plans						Non-U.S. Defined Benefit Plans						Post-Retirement Benefit Plans
	2015 Target		Plan Assets				2015 Target		Plan Assets				2015 Target		Plan Assets
Asset Category	Allocation		2015		2014		Allocation		2015		2014		Allocation		2015		2014
Public equity securities			34.2	%	31.3	%			45.0	%	47.6	%			11.6	%	10.2	%
Private/other equity securities			16.4	%	15.8	%			1.3	%	10.2	%			58.3	%	58.6	%
Real estate and other			(1.7)	%	0.6	%			5.6	%	6.7	%			(1.9)	%	—
Equity-related investments	53.5	%	48.9	%	47.7	%	51.4	%	51.9	%	64.5	%	66.1	%	68.0	%	68.8	%
Debt securities	46.1	%	47.5	%	49.2	%	48.0	%	44.2	%	32.7	%	32.0	%	27.3	%	27.5	%
Cash and cash equivalents	0.4	%	3.6	%	3.1	%	0.6	%	3.9	%	2.8	%	1.9	%	4.7	%	3.7	%
Total	100.0	%	100.0	%	100.0	%	100.0	%	100.0	%	100.0	%	100.0	%	100.0	%	100.0	%

Schedule of estimated future benefits payable for the retirement and post-retirement plans

Fiscal year	U.S. Defined Benefit Plans		Non-U.S. Defined Benefit Plans		Post-Retirement Benefit Plans
	In millions
2016	$	879	$	22	$	82
2017	636		24		71
2018	645		26		58
2019	670		28		54
2020	705		29		51
Next five fiscal years to October 31, 2025	3,785		188		197