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INCOME TAXES (Details 2) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Oct. 31, 2012
Oct. 31, 2011
Oct. 31, 2010
Comparison of the statutory and effective income tax provision      
U.S. federal income tax provision statutory rate (as a percent) 35.00% 35.00% 35.00%
U.S. federal income tax provision at a statutory rate of 35 percent $ 1,657 $ 1,478 $ 1,059
Increase (decrease) resulting from:      
Valuation allowance on foreign deferred taxes (200) (18) (5)
State and local income taxes, net of federal income tax benefit 73 75 40
Nondeductible health care claims     123
Nondeductible goodwill impairment charge 6   7
Nontaxable foreign partnership earnings (172)    
Tax rates on foreign activities (69) (70) (59)
Research and development tax credits (10) (38) (5)
Wind energy production tax credits     (30)
Other - net (26) (39) 22
Provision for income taxes 1,659.4 1,423.6 1,161.6
Effect of cumulative adjustment from change in law included in state taxes     7
Accumulated earnings of certain foreign subsidiaries for which no provision for U.S. income or foreign withholding taxes has been made 3,209    
Cash and cash equivalents and marketable securities held by foreign subsidiaries $ 628