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DERIVATIVE INSTRUMENTS (Details 6) (USD $)
In Millions, unless otherwise specified
Apr. 30, 2014
Oct. 31, 2013
Apr. 30, 2013
DERIVATIVE INSTRUMENTS      
Fair value of derivatives with credit-risk-related contingent features in a liability position $ 112 $ 91 $ 32
Derivative Assets      
Gross amounts recognized 332 394 619
Netting arrangements (95) (120) (89)
Collateral received (5) (8) (78)
Net amount 232 266 452
Derivative Liabilities      
Gross amounts recognized 169 179 156
Netting arrangements (95) (120) (89)
Net amount $ 74 $ 59 $ 67