Financial Instruments (Detail 5) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2016	Oct. 31, 2015	Oct. 31, 2014
Pre-tax effect of derivative instruments in cash flow and net investment hedging relationships
Net revenue	$ 50,123	$ 52,107	$ 55,123
Cost of products	(45,973)	(50,584)	(52,788)
Gain on divestiture	2,420	0	0
Interest and other, net	(312)	(51)	(91)
Earnings before taxes	4,079	1,470	2,244
Portion of the hedging instruments gain or loss excluded from the assessment of effectiveness for fair value, cash flow or net investment hedges	0	0	0
Pre-tax effect of derivative instruments not designated as hedging instruments on the Consolidated Condensed Statements of Earnings
Gains (Losses) Recognized in Income on Derivatives	(430)	12	169
Gains (Losses) Reclassified from Accumulated OCI Into Earnings (Effective Portion) | Reclassifications of losses (gains) into earnings
Pre-tax effect of derivative instruments in cash flow and net investment hedging relationships
Net revenue	19	276	(4)
Cost of products	0	6	3
Other operating expenses	0	(4)	(9)
Gain on divestiture	8	0	0
Interest and other, net	243	202	(50)
Earnings before taxes	270	480	(60)
Interest rate contracts
Pre-tax effect of derivative instruments and related hedged items in a fair value hedging relationship
(Losses) Gains Recognized in Income on Derivative	158	(55)	0
(Losses) Gains recognized in Income on Related Hedged Item	(158)	55	0
Foreign currency contracts
Pre-tax effect of derivative instruments not designated as hedging instruments on the Consolidated Condensed Statements of Earnings
Gains (Losses) Recognized in Income on Derivatives	(425)	11	169
Other derivatives
Pre-tax effect of derivative instruments not designated as hedging instruments on the Consolidated Condensed Statements of Earnings
Gains (Losses) Recognized in Income on Derivatives	(5)	1	0
Cash flow hedges
Pre-tax effect of derivative instruments in cash flow and net investment hedging relationships
Gains (Losses) Recognized in OCI on Derivatives (Effective Portion)	226	481	111
Gain expected to be reclassified from Accumulated OCI into earnings in next 12 months	(40)
Cash flow hedges | Foreign currency contracts | Net revenue
Pre-tax effect of derivative instruments in cash flow and net investment hedging relationships
Gains (Losses) Recognized in OCI on Derivatives (Effective Portion)	(16)	279	149
Cash flow hedges | Foreign currency contracts | Cost of products
Pre-tax effect of derivative instruments in cash flow and net investment hedging relationships
Gains (Losses) Recognized in OCI on Derivatives (Effective Portion)	6	(3)	13
Cash flow hedges | Foreign currency contracts | Other operating expenses
Pre-tax effect of derivative instruments in cash flow and net investment hedging relationships
Gains (Losses) Recognized in OCI on Derivatives (Effective Portion)	0	(2)	9
Cash flow hedges | Foreign currency contracts | Interest and other, net
Pre-tax effect of derivative instruments in cash flow and net investment hedging relationships
Gains (Losses) Recognized in OCI on Derivatives (Effective Portion)	236	207	(60)
Net investment hedges | Foreign currency contracts
Pre-tax effect of derivative instruments in cash flow and net investment hedging relationships
Gains (Losses) Recognized in OCI on Derivatives (Effective Portion)	$ (58)	$ 228	$ 57