Financial Instruments - Schedule of Gross Notional and Fair Value of Derivative Financial Instruments in the Consolidated Condensed Balance Sheets (Details) - USD ($) $ in Millions	Apr. 30, 2021	Oct. 31, 2020
Derivatives, Fair Value
Outstanding Gross Notional	$ 23,832	$ 21,997
Gross Amount Recognized	97	195
Derivative Liabilities	352	262
Other Current Assets
Derivatives, Fair Value
Gross Amount Recognized	88	165
Other Non-Current Assets
Derivatives, Fair Value
Gross Amount Recognized	9	30
Other Current Liabilities
Derivatives, Fair Value
Derivative Liabilities	261	222
Other Non-Current Liabilities
Derivatives, Fair Value
Derivative Liabilities	91	40
Derivatives designated as hedging instruments
Derivatives, Fair Value
Outstanding Gross Notional	18,283	16,536
Derivatives designated as hedging instruments \| Other Current Assets
Derivatives, Fair Value
Gross Amount Recognized	74	152
Derivatives designated as hedging instruments \| Other Non-Current Assets
Derivatives, Fair Value
Gross Amount Recognized	9	30
Derivatives designated as hedging instruments \| Other Current Liabilities
Derivatives, Fair Value
Derivative Liabilities	242	199
Derivatives designated as hedging instruments \| Other Non-Current Liabilities
Derivatives, Fair Value
Derivative Liabilities	91	40
Derivatives designated as hedging instruments \| Fair value hedges \| Interest rate contracts
Derivatives, Fair Value
Outstanding Gross Notional	750	875
Derivatives designated as hedging instruments \| Fair value hedges \| Interest rate contracts \| Other Current Assets
Derivatives, Fair Value
Gross Amount Recognized	2	4
Derivatives designated as hedging instruments \| Fair value hedges \| Interest rate contracts \| Other Non-Current Assets
Derivatives, Fair Value
Gross Amount Recognized	0	0
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	9	3
Derivatives designated as hedging instruments \| Cash flow hedges \| Interest rate contracts
Derivatives, Fair Value
Outstanding Gross Notional	750	0
Derivatives designated as hedging instruments \| Cash flow hedges \| Interest rate contracts \| Other Current Assets
Derivatives, Fair Value
Gross Amount Recognized	0	0
Derivatives designated as hedging instruments \| Cash flow hedges \| Interest rate contracts \| Other Non-Current Assets
Derivatives, Fair Value
Gross Amount Recognized	0	0
Derivatives designated as hedging instruments \| Cash flow hedges \| Interest rate contracts \| Other Current Liabilities
Derivatives, Fair Value
Derivative Liabilities	0	0
Derivatives designated as hedging instruments \| Cash flow 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	16,783	15,661
Derivatives designated as hedging instruments \| Cash flow hedges \| Foreign currency contracts \| Other Current Assets
Derivatives, Fair Value
Gross Amount Recognized	72	148
Derivatives designated as hedging instruments \| Cash flow hedges \| Foreign currency contracts \| Other Non-Current Assets
Derivatives, Fair Value
Gross Amount Recognized	9	30
Derivatives designated as hedging instruments \| Cash flow hedges \| Foreign currency contracts \| Other Current Liabilities
Derivatives, Fair Value
Derivative Liabilities	242	199
Derivatives designated as hedging instruments \| Cash flow hedges \| Foreign currency contracts \| Other Non-Current Liabilities
Derivatives, Fair Value
Derivative Liabilities	82	37
Derivatives not designated as hedging instruments
Derivatives, Fair Value
Outstanding Gross Notional	5,549	5,461
Derivatives not designated as hedging instruments \| Other Current Assets
Derivatives, Fair Value
Gross Amount Recognized	14	13
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	19	23
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	5,399	5,319
Derivatives not designated as hedging instruments \| Foreign currency contracts \| Other Current Assets
Derivatives, Fair Value
Gross Amount Recognized	12	13
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	20
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	150	142
Derivatives not designated as hedging instruments \| Other derivatives \| Other Current Assets
Derivatives, Fair Value
Gross Amount Recognized	2	0
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	0	3
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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