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HPE Next (Details 2) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Oct. 31, 2018 | Jul. 31, 2018 | Apr. 30, 2018 | Jan. 31, 2018 | Oct. 31, 2017 | Jul. 31, 2017 | Apr. 30, 2017 | Jan. 31, 2017 | Oct. 31, 2018 | Oct. 31, 2017 | Oct. 31, 2016
Restructuring Reserve |  |  |  |  |  |  |  |  |  |  |
Charges | $ 5 | $ 2 | $ 9 | $ 3 | $ 113 | $ 152 | $ 69 | $ 83 | $ 19 | $ 417 | $ 417
HPE Next |  |  |  |  |  |  |  |  |  |  |
Restructuring Reserve |  |  |  |  |  |  |  |  |  |  |
Charges |  |  |  |  |  |  |  |  | 531 | 296 |
HPE Next | Employee Severance |  |  |  |  |  |  |  |  |  |  |
Restructuring Reserve |  |  |  |  |  |  |  |  |  |  |
Balance at the beginning of the period |  |  |  | 296 |  |  |  | 0 | 296 | 0 |
Charges |  |  |  |  |  |  |  |  | 470 | 296 |
Cash payments |  |  |  |  |  |  |  |  | (452) |  |
Non-cash items |  |  |  |  |  |  |  |  | (23) |  |
Balance at the end of the period | 291 |  |  |  | 296 |  |  |  | 291 | 296 | 0
Total costs incurred to date as of October 31, 2018 | 766 |  |  |  |  |  |  |  | 766 |  |
Total expected costs to be incurred as of October 31, 2018 | 1,200 |  |  |  |  |  |  |  | 1,200 |  |
HPE Next | Infrastructure and other |  |  |  |  |  |  |  |  |  |  |
Restructuring Reserve |  |  |  |  |  |  |  |  |  |  |
Balance at the beginning of the period |  |  |  | $ 0 |  |  |  | $ 0 | 0 | 0 |
Charges |  |  |  |  |  |  |  |  | 61 | 0 |
Cash payments |  |  |  |  |  |  |  |  | (14) |  |
Non-cash items |  |  |  |  |  |  |  |  | (14) |  |
Balance at the end of the period | 33 |  |  |  | $ 0 |  |  |  | 33 | $ 0 | $ 0
Total costs incurred to date as of October 31, 2018 | 61 |  |  |  |  |  |  |  | 61 |  |
Total expected costs to be incurred as of October 31, 2018 | $ 180 |  |  |  |  |  |  |  | $ 180 |  |

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- Definition Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3536-108585 + Details
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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 + Details
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