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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 9 Months Ended
Jul. 28, 2019
Jul. 29, 2018
Jul. 28, 2019
Jul. 29, 2018
Fair Value, Recurring Level 3 Measurements from Available-for-Sale Marketable Securities        
Beginning of period balance $ 4 $ 14 $ 8 $ 17
Principal payments (4) (5) (7)
Other     1  
End of period balance $ 4 $ 10 $ 4 $ 10