v3.8.0.1

Stockholders' Equity (Tables) | 6 Months Ended
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Apr. 30, 2018
Equity [Abstract] |
Taxes Related to Other Comprehensive Income (Loss) | Taxes related to Other Comprehensive Income (Loss)
| Three months ended April 30, |  | Six months ended April 30,
| 2018 |  | 2017 |  | 2018 |  | 2017
| In millions
Taxes on change in net unrealized losses on available-for-sale securities: |  |  |  |  |  |  |  |  |
Tax provision on net unrealized (losses) gains arising during the period | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | (1 | )
| — |  |  | — |  |  | — |  |  | (1 | )
Taxes on change in net unrealized gains (losses) on cash flow hedges: |  |  |  |  |  |  |  |  |
Tax (provision) benefit on net unrealized gains (losses) arising during the period | (11 | ) |  | 4 |  |  | 14 |  |  | (27 | )
Tax (benefit) provision on net losses (gains) reclassified into earnings | (12 | ) |  | 13 |  |  | (16 | ) |  | 45 |
| (23 | ) |  | 17 |  |  | (2 | ) |  | 18 |
Taxes on change in unrealized components of defined benefit plans: |  |  |  |  |  |  |  |  |
Tax provision on gains arising during the period | — |  |  | (1 | ) |  | (1 | ) |  | (25 | )
Tax benefit on amortization of actuarial loss and prior service benefit | (3 | ) |  | (5 | ) |  | (6 | ) |  | (11 | )
Tax provision on curtailments, settlements and other | — |  |  | (7 | ) |  | (7 | ) |  | (14 | )
| (3 | ) |  | (13 | ) |  | (14 | ) |  | (50 | )
Tax benefit on change in cumulative translation adjustment | 4 |  |  | — |  |  | 1 |  |  | 1 |
Tax (provision) benefit on other comprehensive (loss) income | $ | (22 | ) |  | $ | 4 |  |  | $ | (15 | ) |  | $ | (32 | )
Changes and Reclassifications Related to Other Comprehensive Income (Loss), Net of Taxes | Changes and reclassifications related to Other Comprehensive Income (Loss), net of taxes
| Three months ended April 30, |  | Six months ended April 30,
| 2018 |  | 2017 |  | 2018 |  | 2017
| In millions
Other comprehensive income, net of taxes: |  |  |  |  |  |  |  |  |
Change in net unrealized losses on available-for-sale securities: |  |  |  |  |  |  |  |  |
Net unrealized (losses) gains arising during the period | $ | — |  |  | $ | (4 | ) |  | $ | 1 |  |  | $ | (18 | )
Gains reclassified into earnings | (17 | ) |  | — |  |  | (9 | ) |  | — |
| (17 | ) |  | (4 | ) |  | (8 | ) |  | (18 | )
Change in net unrealized gains (losses) on cash flow hedges: |  |  |  |  |  |  |  |  |
Net unrealized gains (losses) arising during the period | 71 |  |  | 8 |  |  | (85 | ) |  | 113 |
Net losses (gains) reclassified into earnings(1) | 79 |  |  | (70 | ) |  | 105 |  |  | (201 | )
| 150 |  |  | (62 | ) |  | 20 |  |  | (88 | )
Change in unrealized components of defined benefit plans: |  |  |  |  |  |  |  |  |
Gains arising during the period | — |  |  | 10 |  |  | 1 |  |  | 465 |
Amortization of actuarial loss and prior service benefit(2) | 46 |  |  | 72 |  |  | 90 |  |  | 163 |
Curtailments, settlements and other | 2 |  |  | (4 | ) |  | (5 | ) |  | (11 | )
| 48 |  |  | 78 |  |  | 86 |  |  | 617 |
Change in cumulative translation adjustment | (22 | ) |  | (11 | ) |  | 1 |  |  | (35 | )
Other comprehensive income, net of taxes | $ | 159 |  |  | $ | 1 |  |  | $ | 99 |  |  | $ | 476 |
(1) | For more details on the reclassification of pre-tax net losses (gains) on cash flow hedges into the Condensed Consolidated Statements of Earnings, see Note 12, "Financial Instruments".
(2) | These components are included in the computation of net pension and post-retirement benefit cost in Note 6, "Retirement and Post-Retirement Benefit Plans".
Components of Accumulated Other Comprehensive Loss, Net of Taxes | The components of Accumulated other comprehensive loss, net of taxes as of April 30, 2018, and changes during the six months ended April 30, 2018 were as follows:
| Net unrealized gains (losses) on available-for-sale securities |  | Net unrealized gains (losses) on cash flow hedges |  | Unrealized components of defined benefit plans |  | Cumulative translation adjustment |  | Accumulated other comprehensive loss
| In millions
Balance at beginning of period | $ | 29 |  |  | $ | (48 | ) |  | $ | (2,690 | ) |  | $ | (186 | ) |  | $ | (2,895 | )
Activity related to separation and merger transactions | — |  |  | — |  |  | — |  |  | (186 | ) |  | (186 | )
Other comprehensive income (loss) before reclassifications | 1 |  |  | (85 | ) |  | 1 |  |  | 1 |  |  | (82 | )
Reclassifications of (gains) losses into earnings | (9 | ) |  | 105 |  |  | 85 |  |  | — |  |  | 181 |
Balance at end of period | $ | 21 |  |  | $ | (28 | ) |  | $ | (2,604 | ) |  | $ | (371 | ) |  | $ | (2,982 | )

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- Definition Tabular disclosure of components of comprehensive income (loss). Includes, but is not limited to, foreign currency translation adjustments, foreign currency transactions designated as economic hedges of a net investment in foreign entity, gain (loss) and prior service cost (credit) for pension plans and other postretirement 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 1 -URI http://asc.fasb.org/extlink&oid=84228862&loc=d3e526-108580 + Details
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