LEASES (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010
Capital leases, future minimum lease payments
Future minimum lease payments under capital leases	$ 57
2013	28
2014	17
2015	4
2016	2
2017	2
Later years	4
Operating leases, total rent expense
Total rental expense for operating leases	215	175	189
Operating leases, future minimum lease payments
Future minimum lease payments under operating leases	462
2013	148
2014	108
2015	74
2016	45
2017	30
Later years	$ 57