v3.7.0.1

Retirement and Post-Retirement Benefit Plans (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Apr. 30, 2017 | Apr. 30, 2016 | Apr. 30, 2017 | Apr. 30, 2016 | Oct. 31, 2016
Defined benefit plans |  |  |  |  |  |
Pension expense adjustment |  | $ 46 | $ 41 | $ 111 | $ 70 |
Defined benefit plan settlement charges and remeasurement benefit | [1] | 16 | 0 | 21 | 0 |
Non-U.S. Defined Benefit Plans |  |  |  |  |  |
Net benefit (credit) cost |  |  |  |  |  |
Service cost |  | 30 | 50 | 70 | 100 |
Interest cost |  | 52 | 78 | 102 | 158 |
Expected return on plan assets |  | (131) | (161) | (264) | (331) |
Amortization and deferrals: |  |  |  |  |  |
Actuarial loss (gain) |  | 64 | 54 | 140 | 109 |
Prior service benefit |  | (4) | (4) | (8) | (9) |
Net periodic benefit cost |  | 11 | 17 | 40 | 27 |
Settlement loss |  | 3 | 1 | 3 | 1 |
Special termination benefits |  | 1 | 1 | 2 | 3 |
Plan expense allocation |  | (5) | (2) | (15) | (4) |
Net benefit cost from continuing operations |  | 10 | 17 | 30 | 27 |
Discontinued operations |  | 35 | 22 | 79 | 40 |
Net benefit cost |  | 45 | 39 | 109 | 67 |
Employer Contributions and Funding Policy |  |  |  |  |  |
Contributions to benefit plans |  |  |  | 2,100 |  |
Expected contribution to defined benefit plans |  |  |  | 299 |  | $ 348
Expected additional contribution to benefit plans as a result of impact of foreign currency |  |  |  | 79 |  |
United States Pension Plans Of U S Entity Nonqualified Plan Participants |  |  |  |  |  |
Employer Contributions and Funding Policy |  |  |  |  |  |
Expected contribution to defined benefit plans |  |  |  |  |  | 2
Expected additional contribution to benefit plans as a result of impact of foreign currency |  |  |  | 1 |  |
Post-Retirement Benefit Plans |  |  |  |  |  |
Net benefit (credit) cost |  |  |  |  |  |
Service cost |  | 1 | 1 | 2 | 2 |
Interest cost |  | 1 | 2 | 2 | 4 |
Expected return on plan assets |  | 0 | 0 | 0 | (1) |
Amortization and deferrals: |  |  |  |  |  |
Actuarial loss (gain) |  | (1) | (1) | (2) | (2) |
Prior service benefit |  | 0 | 0 | 0 | 0 |
Net periodic benefit cost |  | 1 | 2 | 2 | 3 |
Settlement loss |  | 0 | 0 | 0 | 0 |
Special termination benefits |  | 0 | 0 | 0 | 0 |
Plan expense allocation |  | 0 | 0 | (1) | 0 |
Net benefit cost from continuing operations |  | 1 | 2 | 1 | 3 |
Discontinued operations |  | 0 | 0 | 1 | 0 |
Net benefit cost |  | 1 | $ 2 | 2 | $ 3 |
Employer Contributions and Funding Policy |  |  |  |  |  |
Expected contribution to defined benefit plans |  |  |  | 1 |  | $ 3
Expected additional contribution to benefit plans as a result of impact of foreign currency |  |  |  | 2 |  |
Disposal Group, Disposed of by Means Other than Sale, Not Discontinued Operations, Spinoff |  |  |  |  |  |
Defined benefit plans |  |  |  |  |  |
Pension expense adjustment |  | 23 |  |  |  |
Disposal Group, Disposed of by Means Other than Sale, Not Discontinued Operations, Spinoff | Non-U.S. Defined Benefit Plans |  |  |  |  |  |
Employer Contributions and Funding Policy |  |  |  |  |  |
Contributions to benefit plans |  |  |  | $ 1,900 |  |
Net earnings (loss) from continuing operations |  |  |  |  |  |
Defined benefit plans |  |  |  |  |  |
Defined benefit plan settlement charges and remeasurement benefit | [1] | 16 |  |  |  |
Income From Continuing Operations |  |  |  |  |  |
Defined benefit plans |  |  |  |  |  |
Defined benefit plan settlement charges and remeasurement benefit | [1] | $ 17 |  |  |  |
[1] | Represents adjustments to the net periodic pension cost resulting from remeasurements of certain Hewlett Packard Enterprise pension plans due to plan separations in connection with the spin-off and merger of Everett SpinCo, Inc. with Computer Sciences Corporation.

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- Definition Amount of employer's best estimate of additional contributions expected to be paid to the plan in the current remaining fiscal period. + References No definition available. + Details
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- Definition The amount of gains or losses recognized in net periodic benefit cost. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(4) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Definition The amount of the prior service cost or credit recognized in net periodic benefit cost relating to benefit changes attributable to plan participants' prior service pursuant to a plan amendment or a plan initiation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Prior Service Cost -URI http://asc.fasb.org/extlink&oid=49177896 + Details
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- Definition The increase in the fair value of plan assets from contributions made by the employer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Definition An amount calculated as a basis for determining the extent of delayed recognition of the effects of changes in the fair value of assets. The expected return on plan assets is determined based on the expected long-term rate of return on plan assets and the market-related value of plan assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Expected Return on Plan Assets -URI http://asc.fasb.org/extlink&oid=6512171 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(3) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Definition The increase in a defined benefit pension plan's projected benefit obligation or a defined benefit postretirement plan's accumulated postretirement benefit obligation due to the passage of time. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(2) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Definition The total amount of net periodic benefit cost for defined benefit plans for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Definition The amount of increase or decrease due to a change in the terms of an existing plan or the initiation of a new plan. A plan amendment may increase or decrease benefits, including those attributed to years of service already rendered. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Plan Amendment -URI http://asc.fasb.org/extlink&oid=49173939 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(7) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Definition Amount of net gain (loss) recognized in net periodic benefit cost as a result of an irrevocable action that relieves the employer (or the plan) of primary responsibility for a benefit obligation and eliminates significant risks related to the obligation and the assets used to effect the settlement. Examples of transactions that constitute a settlement include, but are not limited to, lump-sum cash payments to plan participants in exchange for their rights to receive specified benefits and purchasing nonparticipating annuity contracts to cover vested benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 30 -Section 15 -Paragraph 6 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=7577095&loc=d3e8001-114927 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(7) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Definition The actuarial present value of benefits attributed by the pension benefit formula to services rendered by employees during the period. The portion of the expected postretirement benefit obligation attributed to employee service during the period. The service cost component is a portion of the benefit obligation and is unaffected by the funded status of the plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Service Cost (Component of Net Periodic Pension Cost) -URI http://asc.fasb.org/extlink&oid=6525008 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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