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REVENUE RECOGNITION - Unsatisfied Performance Obligations (Details)
$ in Millions
Jul. 28, 2019
USD ($)
REVENUE RECOGNITION  
Performance obligations for contracts with an original duration greater than one year $ 878
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-07-29  
REVENUE RECOGNITION  
Performance obligations for contracts with an original duration greater than one year $ 133
Unsatisfied performance obligations  
Period estimated revenue to be recognized 3 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-11-04  
REVENUE RECOGNITION  
Performance obligations for contracts with an original duration greater than one year $ 348
Unsatisfied performance obligations  
Period estimated revenue to be recognized 12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-11-02  
REVENUE RECOGNITION  
Performance obligations for contracts with an original duration greater than one year $ 197
Unsatisfied performance obligations  
Period estimated revenue to be recognized 12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-11-01  
REVENUE RECOGNITION  
Performance obligations for contracts with an original duration greater than one year $ 116
Unsatisfied performance obligations  
Period estimated revenue to be recognized 12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-10-31  
REVENUE RECOGNITION  
Performance obligations for contracts with an original duration greater than one year $ 58
Unsatisfied performance obligations  
Period estimated revenue to be recognized 12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-10-30  
REVENUE RECOGNITION  
Performance obligations for contracts with an original duration greater than one year $ 26
Unsatisfied performance obligations  
Period estimated revenue to be recognized 24 months