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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
Jan. 29, 2017
Jan. 31, 2016
Fair Value, Recurring Level 3 Measurements from Available for Sale Marketable Securities    
Beginning of period balance $ 28 $ 29
Purchases   25
Principal payments (6) (2)
Change in unrealized gain (loss) 1 (8)
End of period balance $ 23 $ 44