v3.7.0.1

Stockholders' Equity - Reclassifications (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Apr. 30, 2017 | Apr. 30, 2016 | Apr. 30, 2017 | Apr. 30, 2016
Taxes on change in net unrealized (losses) gains on available-for-sale securities: |  |  |  |
Tax provision on net unrealized (losses) gains arising during the period | $ 0 | $ (2) | $ (1) | $ (1)
Tax provision (benefit) on (gains) losses reclassified into earnings | 0 | 1 | 0 | (2)
Taxes effect on change in unrealized gains on available-for-sales securities | 0 | (1) | (1) | (3)
Taxes on change in net unrealized losses on cash flow hedges: |  |  |  |
Tax benefit (provision) on net unrealized gains (losses) arising during the period | 4 | 46 | (27) | 31
Tax provision on net gains reclassified into earnings | 13 | 6 | 45 | 25
Taxes effect on change in unrealized losses on cash flow hedges | 17 | 52 | 18 | 56
Taxes on change in unrealized components of defined benefit plans: |  |  |  |
Tax provision on gains (losses) arising during the period | (1) | 0 | (25) | 0
Tax benefit on amortization of actuarial loss and prior service benefit | (5) | (5) | (11) | (10)
Tax provision on curtailments, settlements and other | (7) | (11) | (14) | (12)
Tax effect on change in unrealized components of defined benefit plans | (13) | (16) | (50) | (22)
Tax benefit on change in cumulative translation adjustment | 0 | 42 | 1 | 22
Tax benefit (provision) on other comprehensive income | 4 | 77 | (32) | 53
Changes and reclassifications related to other comprehensive loss, net of taxes |  |  |  |
Comprehensive income | 1 | (75) | 476 | (152)
Change in net unrealized (losses) gains on available-for-sale securities: |  |  |  |
Changes and reclassifications related to other comprehensive loss, net of taxes |  |  |  |
Net unrealized (losses) gains arising during the period | (4) | 0 | (18) | 3
Reclassifications of losses (gains) into earnings | 0 | (4) | 0 | 2
Comprehensive income | (4) | (4) | (18) | 5
Change in net unrealized losses on cash flow hedges: |  |  |  |
Changes and reclassifications related to other comprehensive loss, net of taxes |  |  |  |
Net unrealized (losses) gains arising during the period | 8 | (160) | 113 | (33)
Reclassifications of losses (gains) into earnings |  |  | (201) |
Comprehensive income | (62) | (224) | (88) | (199)
Change in net unrealized losses on cash flow hedges: | Reclassifications of gains (losses) into earnings |  |  |  |
Changes and reclassifications related to other comprehensive loss, net of taxes |  |  |  |
Reclassifications of losses (gains) into earnings | (70) | (64) | (201) | (166)
Unrealized components of defined benefit plans |  |  |  |
Changes and reclassifications related to other comprehensive loss, net of taxes |  |  |  |
Net unrealized (losses) gains arising during the period |  |  | 465 |
Reclassifications of losses (gains) into earnings |  |  | 152 |
Comprehensive income | 78 | 54 | 617 | 102
Gains (losses) arising during the period | Reclassifications of gains (losses) into earnings |  |  |  |
Changes and reclassifications related to other comprehensive loss, net of taxes |  |  |  |
Reclassifications of losses (gains) into earnings | 10 | (1) | 465 | (1)
Amortization of actuarial loss and prior service benefit | Reclassifications of gains (losses) into earnings |  |  |  |
Changes and reclassifications related to other comprehensive loss, net of taxes |  |  |  |
Reclassifications of losses (gains) into earnings | 72 | 65 | 163 | 132
Curtailments, settlements and other |  |  |  |
Changes and reclassifications related to other comprehensive loss, net of taxes |  |  |  |
Comprehensive income | (4) | (10) | (11) | (29)
Change in cumulative translation adjustment |  |  |  |
Changes and reclassifications related to other comprehensive loss, net of taxes |  |  |  |
Net unrealized (losses) gains arising during the period |  |  | (35) |
Reclassifications of losses (gains) into earnings |  |  | 0 |
Comprehensive income | $ (11) | $ 99 | $ (35) | $ (60)

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- Definition Amount of tax expense (benefit) related to gain (loss) adjustment to other comprehensive income (loss) resulting from settlement or curtailment of pension and other postretirement defined benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Settlement of a Pension or Postretirement Benefit Obligation -URI http://asc.fasb.org/extlink&oid=6531942 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Plan Curtailment -URI http://asc.fasb.org/extlink&oid=6520938 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e640-108580 + Details
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- Definition Amount of tax expense (benefit), after reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature, attributable to parent entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=18733093&loc=SL4573702-111684 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=51664549&loc=SL4569616-111683 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=51664549&loc=SL4569643-111683 + Details
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- Definition Amount of tax expense (benefit), after reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities. Excludes amounts related to other than temporary impairment (OTTI) loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669646-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e640-108580 + Details
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- Definition Amount of tax (expense) benefit, after reclassification adjustments, of (increase) decrease in accumulated other comprehensive (income) loss related to pension and other postretirement defined benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e640-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (i-k) -URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669646-108580 + Details
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- Definition Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27357-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e640-108580 + Details
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- Definition Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e640-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph c -URI http://asc.fasb.org/extlink&oid=56946850&loc=d3e41638-113959 + Details
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