Guarantees, Indemnifications and Warranties (Details) - USD ($) $ in Millions |
6 Months Ended | |
|---|---|---|
Apr. 30, 2017 |
Oct. 31, 2016 |
|
| General Cross indemnifications | ||
| Receivable | $ 1,300 | |
| Changes in aggregated product warranty liabilities | ||
| Balance at beginning of period | 497 | |
| Accruals for warranties issued | 167 | |
| Adjustments related to pre-existing warranties (including changes in estimates) | (6) | |
| Settlements made (in cash or in kind) | (159) | |
| Balance at end of period | 499 | |
| Cross-Indemnifications | ||
| General Cross indemnifications | ||
| Receivable | 54 | |
| Payable | 42 | |
| Former Parent Company | Cross-Indemnifications | ||
| General Cross indemnifications | ||
| Receivable | $ 56 | |
| Payable | $ 41 | |
| Majority-Owned Subsidiary, Unconsolidated | ||
| General Cross indemnifications | ||
| Receivable | 108 | |
| Tax Indemnification | Majority-Owned Subsidiary, Unconsolidated | ||
| General Cross indemnifications | ||
| Receivable | $ 127 |