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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. 30, 2017
Jul. 31, 2016
Jul. 30, 2017
Jul. 31, 2016
Fair Value, Recurring Level 3 Measurements from Available for Sale Marketable Securities        
Beginning of period balance $ 23 $ 40 $ 28 $ 29
Purchases       25
Principal payments (5) (8) (12) (16)
Change in unrealized gain (loss)   2 2 (4)
End of period balance $ 18 $ 34 $ 18 $ 34