INCOME TAXES (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Oct. 31, 2011	Oct. 31, 2010	Oct. 31, 2009
Current:
U.S. - Federal	$ 928	$ 574	$ 3
U.S. - State	144	50	12
Foreign	520	363	273
Total current	1,592	987	288
Deferred:
U.S. - Federal	(135)	156	246
U.S. - State	(28)	11	10
Foreign	(5)	8	(84)
Total deferred	(168.0)	175.0	171.6
Provision for income taxes	1,423.6	1,161.6	460.0
Consolidated income before income taxes, U.S.	2,618	2,048	756
Consolidated income before income taxes, foreign	1,605	977	583
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	1,478	1,059	469
Increase (Decrease) Resulting from:
Nondeductible health care claims		123
Nondeductible goodwill impairment charge		7	86
State and local income taxes, net of federal income tax benefit	75	40	14
Wind energy production tax credits		(30)	(26)
Research and development tax credits	(38)	(5)	(25)
Tax rates on foreign activities	(70)	(59)	(27)
Other - net	(21)	27	(31)
Provision for income taxes	1,423.6	1,161.6	460.0
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	2,597
Cash and cash equivalents and marketable securities held by foreign subsidiaries	$ 720