Financial Instruments - Fair Value of Derivative Instruments in the Consolidated Balance Sheets (Details) - USD ($) $ in Millions	Oct. 31, 2023	Oct. 31, 2022
Derivative [Line Items]
Outstanding Gross Notional	$ 20,599	$ 21,440
Derivative Instruments	489	1,090
Derivative Instruments	272	374
Other Current Assets
Derivative [Line Items]
Derivative Instruments	$ 419	$ 834
Derivative Asset, Statement of Financial Position [Extensible Enumeration]	Other current assets	Other current assets
Other Non-Current Assets
Derivative [Line Items]
Derivative Instruments	$ 70	$ 256
Derivative Asset, Statement of Financial Position [Extensible Enumeration]	Other non-current assets	Other non-current assets
Other Current Liabilities
Derivative [Line Items]
Derivative Instruments	$ 162	$ 224
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Other current liabilities	Other current liabilities
Other non-current liabilities
Derivative [Line Items]
Derivative Instruments	$ 110	$ 150
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Other non-current liabilities	Other non-current liabilities
Derivatives designated as hedging instruments
Derivative [Line Items]
Outstanding Gross Notional	$ 16,028	$ 16,764
Derivatives designated as hedging instruments | Other Current Assets
Derivative [Line Items]
Derivative Instruments	410	820
Derivatives designated as hedging instruments | Other Non-Current Assets
Derivative [Line Items]
Derivative Instruments	70	256
Derivatives designated as hedging instruments | Other Current Liabilities
Derivative [Line Items]
Derivative Instruments	147	206
Derivatives designated as hedging instruments | Other non-current liabilities
Derivative [Line Items]
Derivative Instruments	110	150
Derivatives designated as hedging instruments | Interest rate contracts | Fair value hedges
Derivative [Line Items]
Outstanding Gross Notional	750	750
Derivatives designated as hedging instruments | Interest rate contracts | Fair value hedges | Other Current Assets
Derivative [Line Items]
Derivative Instruments	0	0
Derivatives designated as hedging instruments | Interest rate contracts | Fair value hedges | Other Non-Current Assets
Derivative [Line Items]
Derivative Instruments	0	0
Derivatives designated as hedging instruments | Interest rate contracts | Fair value hedges | Other Current Liabilities
Derivative [Line Items]
Derivative Instruments	0	0
Derivatives designated as hedging instruments | Interest rate contracts | Fair value hedges | Other non-current liabilities
Derivative [Line Items]
Derivative Instruments	58	78
Derivatives designated as hedging instruments | Foreign currency contracts | Cash flow hedges
Derivative [Line Items]
Outstanding Gross Notional	15,278	16,014
Derivatives designated as hedging instruments | Foreign currency contracts | Cash flow hedges | Other Current Assets
Derivative [Line Items]
Derivative Instruments	410	820
Derivatives designated as hedging instruments | Foreign currency contracts | Cash flow hedges | Other Non-Current Assets
Derivative [Line Items]
Derivative Instruments	70	256
Derivatives designated as hedging instruments | Foreign currency contracts | Cash flow hedges | Other Current Liabilities
Derivative [Line Items]
Derivative Instruments	147	206
Derivatives designated as hedging instruments | Foreign currency contracts | Cash flow hedges | Other non-current liabilities
Derivative [Line Items]
Derivative Instruments	52	72
Derivatives not designated as hedging instruments
Derivative [Line Items]
Outstanding Gross Notional	4,571	4,676
Derivatives not designated as hedging instruments | Other Current Assets
Derivative [Line Items]
Derivative Instruments	9	14
Derivatives not designated as hedging instruments | Other Non-Current Assets
Derivative [Line Items]
Derivative Instruments	0	0
Derivatives not designated as hedging instruments | Other Current Liabilities
Derivative [Line Items]
Derivative Instruments	15	18
Derivatives not designated as hedging instruments | Other non-current liabilities
Derivative [Line Items]
Derivative Instruments	0	0
Derivatives not designated as hedging instruments | Foreign currency contracts
Derivative [Line Items]
Outstanding Gross Notional	4,446	4,554
Derivatives not designated as hedging instruments | Foreign currency contracts | Other Current Assets
Derivative [Line Items]
Derivative Instruments	9	12
Derivatives not designated as hedging instruments | Foreign currency contracts | Other Non-Current Assets
Derivative [Line Items]
Derivative Instruments	0	0
Derivatives not designated as hedging instruments | Foreign currency contracts | Other Current Liabilities
Derivative [Line Items]
Derivative Instruments	13	17
Derivatives not designated as hedging instruments | Foreign currency contracts | Other non-current liabilities
Derivative [Line Items]
Derivative Instruments	0	0
Derivatives not designated as hedging instruments | Other derivatives
Derivative [Line Items]
Outstanding Gross Notional	125	122
Derivatives not designated as hedging instruments | Other derivatives | Other Current Assets
Derivative [Line Items]
Derivative Instruments	0	2
Derivatives not designated as hedging instruments | Other derivatives | Other Non-Current Assets
Derivative [Line Items]
Derivative Instruments	0	0
Derivatives not designated as hedging instruments | Other derivatives | Other Current Liabilities
Derivative [Line Items]
Derivative Instruments	2	1
Derivatives not designated as hedging instruments | Other derivatives | Other non-current liabilities
Derivative [Line Items]
Derivative Instruments	$ 0	$ 0