Consolidated Condensed Statements of Earnings (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2018	Jul. 31, 2017	Jul. 31, 2018	Jul. 31, 2017
Income Statement [Abstract]
Net revenue	$ 14,586	$ 13,060	$ 43,106	$ 38,129
Costs and expenses:
Cost of revenue	11,898	10,633	35,134	31,071
Research and development	347	289	1,050	899
Selling, general and administrative	1,227	1,097	3,656	3,204
Restructuring and other charges	4	46	92	249
Acquisition-related charges	10	40	97	76
Amortization of intangible assets	20	0	60	1
Total costs and expenses	13,506	12,105	40,089	35,500
Earnings from operations	1,080	955	3,017	2,629
Interest and other, net	(62)	(56)	(1,011)	(201)
Earnings before taxes	1,018	899	2,006	2,428
(Provision for) benefit from taxes	(138)	(203)	1,870	(562)
Net earnings	$ 880	$ 696	$ 3,876	$ 1,866
Net earnings per share:
Basic (usd per share)	$ 0.55	$ 0.41	$ 2.38	$ 1.10
Diluted (usd per share)	0.54	0.41	2.36	1.09
Cash dividends declared per share (usd per share)	$ 0.28	$ 0.26	$ 0.56	$ 0.53
Weighted-average shares used to compute net earnings per share:
Basic (shares)	1,601	1,681	1,627	1,694
Diluted (shares)	1,618	1,695	1,645	1,705