Consolidated Condensed Statements of Earnings (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2012	Jul. 31, 2011
Net revenue:
Products	$ 19,053	$ 20,412	$ 58,526	$ 63,661
Services	10,503	10,662	31,526	31,130
Financing income	113	115	346	332
Total net revenue	29,669	31,189	90,398	95,123
Costs and expenses:
Cost of products	14,524	15,669	44,754	48,286
Cost of services	8,216	8,152	24,682	23,599
Financing interest	80	80	238	229
Research and development	854	812	2,490	2,425
Selling, general and administrative	3,366	3,430	10,273	9,972
Impairment of goodwill and purchased intangible assets	9,188		9,188
Restructuring charges	1,795	150	1,888	466
Amortization of purchased intangible assets	476	358	1,412	1,196
Acquisition-related charges	3	18	42	68
Total operating expenses	38,502	28,669	94,967	86,241
(Loss) earnings from operations	(8,833)	2,520	(4,569)	8,882
Interest and other, net	(224)	(121)	(688)	(294)
(Loss) earnings before taxes	(9,057)	2,399	(5,257)	8,588
(Benefit) provision for taxes	(200)	473	539	1,753
Net (loss) earnings	$ (8,857)	$ 1,926	$ (5,796)	$ 6,835
Net (loss) earnings per share:
Basic (in dollars per share)	$ (4.49)	$ 0.94	$ (2.93)	$ 3.21
Diluted (in dollars per share)	$ (4.49)	$ 0.93	$ (2.93)	$ 3.16
Cash dividends declared per share (in dollars per share)	$ 0.26	$ 0.24	$ 0.50	$ 0.40
Weighted-average shares used to compute net earnings per share:
Basic (in shares)	1,971	2,054	1,977	2,129
Diluted (in shares)	1,971	2,080	1,977	2,161