SUBSEQUENT EVENTS (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended			0 Months Ended
	Oct. 31, 2013	Jul. 31, 2013	Apr. 30, 2013	Jan. 31, 2013	Oct. 31, 2012	Jul. 31, 2012	Apr. 30, 2012	Jan. 31, 2012	Oct. 31, 2013	Oct. 31, 2012	Oct. 31, 2011	Dec. 04, 2013 Subsequent Event	Dec. 11, 2013 Subsequent Event Medium-Term Notes Due December 2015 Financial Services	Dec. 11, 2013 Subsequent Event Medium-Term Notes Due December 2018 Financial Services
Subsequent Events
Quarterly dividend declared (in dollars per share)	$ 0.51	$ 0.51	$ 0.51	$ 0.46	$ 0.46	$ 0.46	$ 0.46	$ 0.41	$ 1.99	$ 1.79	$ 1.52	$ 0.51
Stock Repurchase Program, Authorized Amount									$ 5,000			$ 8,000
Stock Repurchase Program, Remaining Authorized Repurchase Amount									957
Principal amount													$ 500	$ 750