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Stockholders’ Deficit - Taxes Related to Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions | 12 Months Ended
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Oct. 31, 2018 | Oct. 31, 2017 | Oct. 31, 2016
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |
Tax (provision) benefit on other comprehensive income (loss) | $ (80) | $ (64) | $ 45
Tax (provision) benefit on change in unrealized gains (losses) on available-for-sale securities |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |
Tax benefit (provision) on change arising during the period | 1 | (1) | (3)
Tax benefit (provision) on change in unrealized components of cash flow hedges |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |
Tax benefit (provision) on change arising during the period | (42) | 42 | 32
Tax (provision) benefit on reclassifications during the period | (26) | (16) | (1)
Tax (provision) benefit on other comprehensive income (loss) | (68) | 26 | 31
Tax (provision) benefit on change in unrealized components of defined benefit plans |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |
Tax (provision) benefit on other comprehensive income (loss) | (13) | (89) | 17
Tax (provision) benefit on gains (losses) arising during the period |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |
Tax benefit (provision) on change arising during the period | 0 | (140) | 242
Tax provision on amortization of actuarial loss and prior service benefit |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |
Tax (provision) benefit on reclassifications during the period | (11) | (21) | (12)
Tax (provision) benefit on curtailments, settlements and other |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |
Tax (provision) benefit on reclassifications during the period | $ (2) | $ 72 | $ (213)

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- Definition Amount of tax expense (benefit) allocated to other comprehensive income (loss) before reclassification adjustment from accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 20 -Section 45 -Paragraph 11 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109238882&loc=d3e39076-109324 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=114867106&loc=d3e640-108580 + Details
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