Consolidated Condensed Statements of Earnings (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2019	Jul. 31, 2018	Jul. 31, 2019	Jul. 31, 2018
Income Statement [Abstract]
Net revenue	$ 14,603	$ 14,586	$ 43,349	$ 43,106
Costs and expenses:
Cost of revenue	11,698	11,898	35,103	35,134
Research and development	413	347	1,110	1,050
Selling, general and administrative	1,376	1,289	3,963	3,836
Restructuring and other charges	17	4	141	92
Acquisition-related (credits) charges	(9)	10	12	97
Amortization of intangible assets	29	20	87	60
Total costs and expenses	13,524	13,568	40,416	40,269
Earnings from operations	1,079	1,018	2,933	2,837
Interest and other, net	(831)	0	(902)	(831)
Earnings before taxes	248	1,018	2,031	2,006
Benefit from (provision for) taxes	931	(138)	733	1,870
Net earnings	$ 1,179	$ 880	$ 2,764	$ 3,876
Net earnings per share:
Basic (usd per share)	$ 0.79	$ 0.55	$ 1.81	$ 2.38
Diluted (usd per share)	$ 0.78	$ 0.54	$ 1.80	$ 2.36
Weighted-average shares used to compute net earnings per share:
Basic (shares)	1,499	1,601	1,528	1,627
Diluted (shares)	1,508	1,618	1,537	1,645