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DERIVATIVE INSTRUMENTS - Fair Value Hedges (Details) - Interest Rate Contracts - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Apr. 30, 2017
May 01, 2016
Apr. 30, 2017
May 01, 2016
Oct. 30, 2016
Fair Value Hedges          
Gains (losses) on ineffective portion of interest rate fair value hedge derivatives $ 0 $ (1) $ 2 $ (1)  
Gain (Loss) on Fair Value Hedges          
Gains (losses) on interest rate contracts 32 (9) (202) 66  
Net accrued interest income on interest rate contracts 22 39 48 78  
Gains (losses) on borrowings (32) 8 204 (67)  
Accrued interest expense on borrowings 61 75 126 142  
Fair Value Hedges | Designated as Hedging Instruments          
Fair Value Hedges          
Notional amount of interest rate fair value hedge derivatives $ 7,605 $ 9,923 $ 7,605 $ 9,923 $ 8,844