Financial Instruments - Fair Value of Derivative Instruments in the Consolidated Balance Sheets (Details) - USD ($) $ in Millions	Oct. 31, 2022	Oct. 31, 2021
Investment Holdings [Line Items]
Outstanding Gross Notional	$ 21,440	$ 25,783
Derivative Instruments	1,090	282
Derivative Instruments	374	227
Other Current Assets
Investment Holdings [Line Items]
Derivative Instruments	$ 834	$ 213
Derivative Asset, Statement of Financial Position [Extensible Enumeration]	Other current assets	Other current assets
Other Non-Current Assets
Investment Holdings [Line Items]
Derivative Instruments	$ 256	$ 69
Derivative Asset, Statement of Financial Position [Extensible Enumeration]	Other non-current assets	Other non-current assets
Other Current Liabilities
Investment Holdings [Line Items]
Derivative Instruments	$ 224	$ 161
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Other current liabilities	Other current liabilities
Other non-current liabilities
Investment Holdings [Line Items]
Derivative Instruments	$ 150	$ 66
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Other non-current liabilities	Other non-current liabilities
Derivatives designated as hedging instruments
Investment Holdings [Line Items]
Outstanding Gross Notional	$ 16,764	$ 19,387
Derivatives designated as hedging instruments \| Other Current Assets
Investment Holdings [Line Items]
Derivative Instruments	820	198
Derivatives designated as hedging instruments \| Other Non-Current Assets
Investment Holdings [Line Items]
Derivative Instruments	256	69
Derivatives designated as hedging instruments \| Other Current Liabilities
Investment Holdings [Line Items]
Derivative Instruments	206	148
Derivatives designated as hedging instruments \| Other non-current liabilities
Investment Holdings [Line Items]
Derivative Instruments	150	66
Derivatives designated as hedging instruments \| Interest rate contracts \| Fair value hedges
Investment Holdings [Line Items]
Outstanding Gross Notional	750	750
Derivatives designated as hedging instruments \| Interest rate contracts \| Fair value hedges \| Other Current Assets
Investment Holdings [Line Items]
Derivative Instruments	0	0
Derivatives designated as hedging instruments \| Interest rate contracts \| Fair value hedges \| Other Non-Current Assets
Investment Holdings [Line Items]
Derivative Instruments	0	0
Derivatives designated as hedging instruments \| Interest rate contracts \| Fair value hedges \| Other Current Liabilities
Investment Holdings [Line Items]
Derivative Instruments	0	0
Derivatives designated as hedging instruments \| Interest rate contracts \| Fair value hedges \| Other non-current liabilities
Investment Holdings [Line Items]
Derivative Instruments	78	16
Derivatives designated as hedging instruments \| Interest rate contracts \| Cash flow hedges
Investment Holdings [Line Items]
Outstanding Gross Notional	0	1,500
Derivatives designated as hedging instruments \| Interest rate contracts \| Cash flow hedges \| Other Current Assets
Investment Holdings [Line Items]
Derivative Instruments	0	0
Derivatives designated as hedging instruments \| Interest rate contracts \| Cash flow hedges \| Other Non-Current Assets
Investment Holdings [Line Items]
Derivative Instruments	0	0
Derivatives designated as hedging instruments \| Interest rate contracts \| Cash flow hedges \| Other Current Liabilities
Investment Holdings [Line Items]
Derivative Instruments	0	0
Derivatives designated as hedging instruments \| Interest rate contracts \| Cash flow hedges \| Other non-current liabilities
Investment Holdings [Line Items]
Derivative Instruments	0	8
Derivatives designated as hedging instruments \| Foreign currency contracts \| Cash flow hedges
Investment Holdings [Line Items]
Outstanding Gross Notional	16,014	17,137
Derivatives designated as hedging instruments \| Foreign currency contracts \| Cash flow hedges \| Other Current Assets
Investment Holdings [Line Items]
Derivative Instruments	820	198
Derivatives designated as hedging instruments \| Foreign currency contracts \| Cash flow hedges \| Other Non-Current Assets
Investment Holdings [Line Items]
Derivative Instruments	256	69
Derivatives designated as hedging instruments \| Foreign currency contracts \| Cash flow hedges \| Other Current Liabilities
Investment Holdings [Line Items]
Derivative Instruments	206	148
Derivatives designated as hedging instruments \| Foreign currency contracts \| Cash flow hedges \| Other non-current liabilities
Investment Holdings [Line Items]
Derivative Instruments	72	42
Derivatives not designated as hedging instruments
Investment Holdings [Line Items]
Outstanding Gross Notional	4,676	6,396
Derivatives not designated as hedging instruments \| Other Current Assets
Investment Holdings [Line Items]
Derivative Instruments	14	15
Derivatives not designated as hedging instruments \| Other Non-Current Assets
Investment Holdings [Line Items]
Derivative Instruments	0	0
Derivatives not designated as hedging instruments \| Other Current Liabilities
Investment Holdings [Line Items]
Derivative Instruments	18	13
Derivatives not designated as hedging instruments \| Other non-current liabilities
Investment Holdings [Line Items]
Derivative Instruments	0	0
Derivatives not designated as hedging instruments \| Foreign currency contracts
Investment Holdings [Line Items]
Outstanding Gross Notional	4,554	6,293
Derivatives not designated as hedging instruments \| Foreign currency contracts \| Other Current Assets
Investment Holdings [Line Items]
Derivative Instruments	12	10
Derivatives not designated as hedging instruments \| Foreign currency contracts \| Other Non-Current Assets
Investment Holdings [Line Items]
Derivative Instruments	0	0
Derivatives not designated as hedging instruments \| Foreign currency contracts \| Other Current Liabilities
Investment Holdings [Line Items]
Derivative Instruments	17	13
Derivatives not designated as hedging instruments \| Foreign currency contracts \| Other non-current liabilities
Investment Holdings [Line Items]
Derivative Instruments	0	0
Derivatives not designated as hedging instruments \| Other derivatives
Investment Holdings [Line Items]
Outstanding Gross Notional	122	103
Derivatives not designated as hedging instruments \| Other derivatives \| Other Current Assets
Investment Holdings [Line Items]
Derivative Instruments	2	5
Derivatives not designated as hedging instruments \| Other derivatives \| Other Non-Current Assets
Investment Holdings [Line Items]
Derivative Instruments	0	0
Derivatives not designated as hedging instruments \| Other derivatives \| Other Current Liabilities
Investment Holdings [Line Items]
Derivative Instruments	1	0
Derivatives not designated as hedging instruments \| Other derivatives \| Other non-current liabilities
Investment Holdings [Line Items]
Derivative Instruments	$ 0	$ 0

Indicates line item in statement of financial position that includes derivative asset.

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Nominal or face amount used to calculate payment on derivative.

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