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REVENUE RECOGNITION - Advanced Customer Payments (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Jul. 28, 2019
Jul. 28, 2019
Oct. 28, 2018
Advanced customer payments      
Deferred revenue received $ 1,022 $ 1,022 $ 915
Revenue recognized from deferred revenue $ 101 $ 360