DISCONTINUED OPERATIONS - Assets and Liabilities (Details) (USD $)
In Millions, unless otherwise specified
Jan. 31, 2015
Oct. 31, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Cash   $ 810
Accounts receivable   357
Inventory   498
Other current assets   156
Current assets of discontinued operations 0 1,821
Property, plant and equipment   470
Goodwill   392
Other intangibles   18
Long-term investments   63
Other assets   222
Non-current assets of discontinued operations 0 1,165
Total assets of discontinued operations   2,986
Accounts payable   173
Employee compensation and benefits   167
Deferred revenue   175
Other accrued liabilities   108
Current liabilities of discontinued operations 0 623
Long-term debt   1,099
Retirement and post-retirement benefits   213
Other long-term liabilities   122
Long-term liabilities of discontinued operations 0 1,434
Total liabilities of discontinued operations   $ 2,057