Financial Instruments - Schedule of Gross Notional and Fair Value of Derivative Financial Instruments in the Consolidated Condensed Balance Sheets (Details) - USD ($) $ in Millions	Jan. 31, 2020	Oct. 31, 2019
Derivatives, Fair Value
Outstanding Gross Notional	$ 22,287	$ 23,669
Gross Amount Recognized	391	392
Derivative Liabilities	151	166
Other Current Assets
Derivatives, Fair Value
Gross Amount Recognized	288	277
Other Non-Current Assets
Derivatives, Fair Value
Gross Amount Recognized	103	115
Other Current Liabilities
Derivatives, Fair Value
Derivative Liabilities	125	138
Other Non-Current Liabilities
Derivatives, Fair Value
Derivative Liabilities	26	28
Derivatives designated as hedging instruments
Derivatives, Fair Value
Outstanding Gross Notional	16,730	16,389
Derivatives designated as hedging instruments \| Other Current Assets
Derivatives, Fair Value
Gross Amount Recognized	258	260
Derivatives designated as hedging instruments \| Other Non-Current Assets
Derivatives, Fair Value
Gross Amount Recognized	103	115
Derivatives designated as hedging instruments \| Other Current Liabilities
Derivatives, Fair Value
Derivative Liabilities	104	123
Derivatives designated as hedging instruments \| Other Non-Current Liabilities
Derivatives, Fair Value
Derivative Liabilities	26	28
Derivatives designated as hedging instruments \| Fair value hedges \| Interest rate contracts
Derivatives, Fair Value
Outstanding Gross Notional	750	750
Derivatives designated as hedging instruments \| Fair value hedges \| Interest rate contracts \| Other Current Assets
Derivatives, Fair Value
Gross Amount Recognized	0	0
Derivatives designated as hedging instruments \| Fair value hedges \| Interest rate contracts \| Other Non-Current Assets
Derivatives, Fair Value
Gross Amount Recognized	4	4
Derivatives designated as hedging instruments \| Fair value hedges \| Interest rate contracts \| Other Current Liabilities
Derivatives, Fair Value
Derivative Liabilities	0	0
Derivatives designated as hedging instruments \| Fair value hedges \| Interest rate contracts \| Other Non-Current Liabilities
Derivatives, Fair Value
Derivative Liabilities	0	0
Derivatives designated as hedging instruments \| Cash flow hedges \| Foreign currency contracts
Derivatives, Fair Value
Outstanding Gross Notional	15,980	15,639
Derivatives designated as hedging instruments \| Cash flow hedges \| Foreign currency contracts \| Other Current Assets
Derivatives, Fair Value
Gross Amount Recognized	258	260
Derivatives designated as hedging instruments \| Cash flow hedges \| Foreign currency contracts \| Other Non-Current Assets
Derivatives, Fair Value
Gross Amount Recognized	99	111
Derivatives designated as hedging instruments \| Cash flow hedges \| Foreign currency contracts \| Other Current Liabilities
Derivatives, Fair Value
Derivative Liabilities	104	123
Derivatives designated as hedging instruments \| Cash flow hedges \| Foreign currency contracts \| Other Non-Current Liabilities
Derivatives, Fair Value
Derivative Liabilities	26	28
Derivatives not designated as hedging instruments
Derivatives, Fair Value
Outstanding Gross Notional	5,557	7,280
Derivatives not designated as hedging instruments \| Other Current Assets
Derivatives, Fair Value
Gross Amount Recognized	30	17
Derivatives not designated as hedging instruments \| Other Non-Current Assets
Derivatives, Fair Value
Gross Amount Recognized	0	0
Derivatives not designated as hedging instruments \| Other Current Liabilities
Derivatives, Fair Value
Derivative Liabilities	21	15
Derivatives not designated as hedging instruments \| Other Non-Current Liabilities
Derivatives, Fair Value
Derivative Liabilities	0	0
Derivatives not designated as hedging instruments \| Foreign currency contracts
Derivatives, Fair Value
Outstanding Gross Notional	5,406	7,146
Derivatives not designated as hedging instruments \| Foreign currency contracts \| Other Current Assets
Derivatives, Fair Value
Gross Amount Recognized	17	10
Derivatives not designated as hedging instruments \| Foreign currency contracts \| Other Non-Current Assets
Derivatives, Fair Value
Gross Amount Recognized	0	0
Derivatives not designated as hedging instruments \| Foreign currency contracts \| Other Current Liabilities
Derivatives, Fair Value
Derivative Liabilities	19	14
Derivatives not designated as hedging instruments \| Foreign currency contracts \| Other Non-Current Liabilities
Derivatives, Fair Value
Derivative Liabilities	0	0
Derivatives not designated as hedging instruments \| Other derivatives
Derivatives, Fair Value
Outstanding Gross Notional	151	134
Derivatives not designated as hedging instruments \| Other derivatives \| Other Current Assets
Derivatives, Fair Value
Gross Amount Recognized	13	7
Derivatives not designated as hedging instruments \| Other derivatives \| Other Non-Current Assets
Derivatives, Fair Value
Gross Amount Recognized	0	0
Derivatives not designated as hedging instruments \| Other derivatives \| Other Current Liabilities
Derivatives, Fair Value
Derivative Liabilities	2	1
Derivatives not designated as hedging instruments \| Other derivatives \| Other Non-Current Liabilities
Derivatives, Fair Value
Derivative Liabilities	$ 0	$ 0

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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Nominal or face amount used to calculate payment on derivative.

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