LEASES (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Oct. 31, 2011	Oct. 31, 2010	Oct. 31, 2009
Capital Leases, Future Minimum Lease Payments
Future minimum lease payments under capital leases	$ 30
2012	5
2013	5
2014	3
2015	2
2016	1
Later years	14
Operating Leases, Total Rent Expense
Total rental expense for operating leases	175	189	187
Operating Leases, Future Minimum Lease Payments
Future minimum lease payments under operating leases	435
2012	139
2013	95
2014	69
2015	45
2016	28
Later years	$ 59