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OVERVIEW AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 12 Months Ended
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Oct. 31, 2020
Accounting Policies [Abstract] |
Restricted Cash and Cash Equivalents | Restricted Cash and Restricted Cash Equivalents. Restricted cash and restricted cash equivalents are included with cash and cash equivalents when reconciling the beginning-of-period and end-of-period total amounts shown on the statement of cash flows. A reconciliation of cash, cash equivalents and restricted cash to the consolidated balance sheet follows:
| October 31,
| 2020 |  | 2019 |  | 2018
| (in millions) |  |
Cash and cash equivalents | $ | 1,441 |  |  | $ | 1,382 |  |  | $ | 2,247 |
Restricted cash included in other assets | 6 |  |  | 6 |  |  | 7 |
Total cash, cash equivalents and restricted cash | $ | 1,447 |  |  | $ | 1,388 |  |  | $ | 2,254 |

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