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DERIVATIVE INSTRUMENTS - Gains (Losses) on Statement of Consolidated Income (Details) - USD ($)
$ in Millions
12 Months Ended
Oct. 31, 2016
Oct. 31, 2015
Oct. 31, 2014
Classification and gains (losses) including accrued interest expense related to derivative instruments      
Not designated as hedges, gains (losses) $ 58 $ 384 $ 107
Interest Rate Contracts | OCI      
Classification and gains (losses) including accrued interest expense related to derivative instruments      
Cash flow hedges, recognized in OCI, effective portion, gains (losses) (3) (16) (10)
Interest Rate Contracts | Interest Expense      
Classification and gains (losses) including accrued interest expense related to derivative instruments      
Fair value hedges, gains (losses) 153 277 155
Not designated as hedges, gains (losses) (1) (17) 3
Interest Rate Contracts | Interest Expense | Cash Flow Hedges Member      
Classification and gains (losses) including accrued interest expense related to derivative instruments      
Cash flow hedges, reclassified from OCI, effective portion, gains (losses) (7) (12) (13)
Foreign Exchange Contracts | OCI      
Classification and gains (losses) including accrued interest expense related to derivative instruments      
Cash flow hedges, recognized in OCI, effective portion, gains (losses) 1 4 (4)
Foreign Exchange Contracts | Cost of Sales      
Classification and gains (losses) including accrued interest expense related to derivative instruments      
Not designated as hedges, gains (losses) (15) 97 25
Foreign Exchange Contracts | Other Operating Expense      
Classification and gains (losses) including accrued interest expense related to derivative instruments      
Not designated as hedges, gains (losses) 74 304 79
Foreign Exchange Contracts | Other Operating Expense | Cash Flow Hedges Member      
Classification and gains (losses) including accrued interest expense related to derivative instruments      
Cash flow hedges, reclassified from OCI, effective portion, gains (losses) $ 1 $ 4 $ (6)