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FAIR VALUE MEASUREMENTS - Recurring, Level 3 Measurements (Details) - Assets and Liabilities Measured at Fair Value on a Recurring Basis - Level 3 - USD ($) $ in Millions | 3 Months Ended
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Jan. 27, 2019 | Jan. 28, 2018
Fair Value, Recurring Level 3 Measurements from Available-for-Sale Marketable Securities |  |
Beginning of period balance | $ 8 | $ 17
Principal payments | (3) | (2)
Other | 1 |
End of period balance | $ 6 | $ 15

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