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DERIVATIVE INSTRUMENTS - Fair Value Hedges (Details) - Interest Rate Contracts - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Apr. 29, 2018
Apr. 30, 2017
Apr. 29, 2018
Apr. 30, 2017
Oct. 29, 2017
Fair Value Hedges          
Gains (losses) on ineffective portion of interest rate fair value hedge derivatives $ (2) $ 0 $ (3) $ 2  
Gain (Loss) on Fair Value Hedges          
Gains (losses) on interest rate contracts (123) 32 (271) (202)  
Net accrued interest income on interest rate contracts 5 22 17 48  
Gains (losses) on borrowings 121 (32) 268 204  
Accrued interest expense on borrowings 64 61 127 126  
Fair Value Hedges | Designated as Hedging Instruments          
Fair Value Hedges          
Notional amount of interest rate fair value hedge derivatives $ 8,421 $ 7,605 $ 8,421 $ 7,605 $ 8,661