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NEW ACCOUNTING PRONOUNCEMENTS NEW ACCOUNTING PRONOUNCEMENTS ASU 2016-15 (Tables) | 6 Months Ended
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Apr. 30, 2019
Accounting Changes and Error Corrections [Abstract] |
Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block] |
| Six Months Ended April 30, 2018
| As Originally Reported |  | As Adjusted |  | Change
| (in millions)
Net cash provided by operating activities | $ | 282 |  |  | $ | 282 |  |  | $ | — |
Net cash used in investing activities | $ | (49 | ) |  | $ | (46 | ) |  | $ | 3 |
Net cash used in financing activities | $ | (271 | ) |  | $ | (274 | ) |  | $ | (3 | )
| Three Months Ended April 30, 2018 |  | Six Months Ended April 30, 2018
| As Originally Reported |  | As Adjusted |  | Effect of Change Higher/(Lower) |  | As Originally Reported |  | As Adjusted |  | Effect of Change Higher/(Lower)
| (in millions) |  | (in millions) |  |  |  |
Cost of products | $ | 367 |  |  | $ | 370 |  |  | $ | 3 |  |  | $ | 704 |  |  | $ | 709 |  |  | $ | 5 |
Cost of services | $ | 80 |  |  | $ | 81 |  |  | $ | 1 |  |  | $ | 153 |  |  | $ | 154 |  |  | $ | 1 |
Research and development | $ | 156 |  |  | $ | 160 |  |  | $ | 4 |  |  | $ | 302 |  |  | $ | 310 |  |  | $ | 8 |
Selling, general and administrative | $ | 299 |  |  | $ | 305 |  |  | $ | 6 |  |  | $ | 588 |  |  | $ | 600 |  |  | $ | 12 |
Other income (expense), net | $ | 2 |  |  | $ | 16 |  |  | $ | 14 |  |  | $ | 3 |  |  | $ | 29 |  |  | $ | 26 |

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