Consolidated Statements of Earnings (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010
Net revenue:
Products	$ 77,887	$ 84,757	$ 84,799
Services	42,008	42,039	40,816
Financing income	462	449	418
Total net revenue	120,357	127,245	126,033
Costs and expenses:
Cost of products	59,468	65,167	65,064
Cost of services	32,600	31,945	30,486
Financing interest	317	306	302
Research and development	3,399	3,254	2,959
Selling, general and administrative	13,500	13,577	12,822
Amortization of purchased intangible assets	1,784	1,607	1,484
Impairment of goodwill and purchased intangible assets	18,035	885
Restructuring charges	2,266	645	1,144
Acquisition-related charges	45	182	293
Total operating expenses	131,414	117,568	114,554
(Loss) earnings from operations	(11,057)	9,677	11,479
Interest and other, net	(876)	(695)	(505)
(Loss) earnings before taxes	(11,933)	8,982	10,974
Provision for taxes	(717)	(1,908)	(2,213)
Net (loss) earnings	$ (12,650)	$ 7,074	$ 8,761
Net (loss) earnings per share:
Basic (in dollars per share)	$ (6.41)	$ 3.38	$ 3.78
Diluted (in dollars per share)	$ (6.41)	$ 3.32	$ 3.69
Weighted-average shares used to compute net (loss) earnings per share:
Basic (in shares)	1,974	2,094	2,319
Diluted (in shares)	1,974	2,128	2,372