Financial Instruments - Schedule of Gross Notional and Fair Value of Derivative Instruments in the Condensed Consolidated Balance Sheets (Details) - USD ($) $ in Millions	Jul. 31, 2026	Oct. 31, 2025
Derivatives, Fair Value
Outstanding Gross Notional	$ 18,232	$ 17,108
Balance Sheet Location [Axis]: us-gaap:NotesAndLoansReceivableNetCurrent
Derivatives, Fair Value
Derivative asset, fair value	61	55
Balance Sheet Location [Axis]: us-gaap:OtherAssetsCurrent
Derivatives, Fair Value
Derivative asset, fair value	120	140
Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesCurrent
Derivatives, Fair Value
Derivative liability, fair value	165	147
Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesNoncurrent
Derivatives, Fair Value
Derivative liability, fair value	179	142
Derivatives Designated as Hedging Instruments
Derivatives, Fair Value
Outstanding Gross Notional	10,886	9,788
Derivatives Designated as Hedging Instruments \| Balance Sheet Location [Axis]: us-gaap:NotesAndLoansReceivableNetCurrent
Derivatives, Fair Value
Derivative asset, fair value	60	53
Derivatives Designated as Hedging Instruments \| Balance Sheet Location [Axis]: us-gaap:OtherAssetsCurrent
Derivatives, Fair Value
Derivative asset, fair value	102	101
Derivatives Designated as Hedging Instruments \| Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesCurrent
Derivatives, Fair Value
Derivative liability, fair value	115	125
Derivatives Designated as Hedging Instruments \| Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesNoncurrent
Derivatives, Fair Value
Derivative liability, fair value	171	138
Derivatives Designated as Hedging Instruments \| Fair Value Hedges: \| Interest rate contracts
Derivatives, Fair Value
Outstanding Gross Notional	1,200	600
Derivatives Designated as Hedging Instruments \| Fair Value Hedges: \| Interest rate contracts \| Balance Sheet Location [Axis]: us-gaap:NotesAndLoansReceivableNetCurrent
Derivatives, Fair Value
Derivative asset, fair value	0	0
Derivatives Designated as Hedging Instruments \| Fair Value Hedges: \| Interest rate contracts \| Balance Sheet Location [Axis]: us-gaap:OtherAssetsCurrent
Derivatives, Fair Value
Derivative asset, fair value	0	0
Derivatives Designated as Hedging Instruments \| Fair Value Hedges: \| Interest rate contracts \| Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesCurrent
Derivatives, Fair Value
Derivative liability, fair value	0	0
Derivatives Designated as Hedging Instruments \| Fair Value Hedges: \| Interest rate contracts \| Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesNoncurrent
Derivatives, Fair Value
Derivative liability, fair value	77	51
Derivatives Designated as Hedging Instruments \| Cash Flow Hedges: \| Foreign currency contracts
Derivatives, Fair Value
Outstanding Gross Notional	7,561	7,062
Derivatives Designated as Hedging Instruments \| Cash Flow Hedges: \| Foreign currency contracts \| Balance Sheet Location [Axis]: us-gaap:NotesAndLoansReceivableNetCurrent
Derivatives, Fair Value
Derivative asset, fair value	33	29
Derivatives Designated as Hedging Instruments \| Cash Flow Hedges: \| Foreign currency contracts \| Balance Sheet Location [Axis]: us-gaap:OtherAssetsCurrent
Derivatives, Fair Value
Derivative asset, fair value	80	81
Derivatives Designated as Hedging Instruments \| Cash Flow Hedges: \| Foreign currency contracts \| Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesCurrent
Derivatives, Fair Value
Derivative liability, fair value	77	95
Derivatives Designated as Hedging Instruments \| Cash Flow Hedges: \| Foreign currency contracts \| Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesNoncurrent
Derivatives, Fair Value
Derivative liability, fair value	51	67
Derivatives Designated as Hedging Instruments \| Net Investment Hedges: \| Foreign currency contracts
Derivatives, Fair Value
Outstanding Gross Notional	2,125	2,126
Derivatives Designated as Hedging Instruments \| Net Investment Hedges: \| Foreign currency contracts \| Balance Sheet Location [Axis]: us-gaap:NotesAndLoansReceivableNetCurrent
Derivatives, Fair Value
Derivative asset, fair value	27	24
Derivatives Designated as Hedging Instruments \| Net Investment Hedges: \| Foreign currency contracts \| Balance Sheet Location [Axis]: us-gaap:OtherAssetsCurrent
Derivatives, Fair Value
Derivative asset, fair value	22	20
Derivatives Designated as Hedging Instruments \| Net Investment Hedges: \| Foreign currency contracts \| Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesCurrent
Derivatives, Fair Value
Derivative liability, fair value	38	30
Derivatives Designated as Hedging Instruments \| Net Investment Hedges: \| Foreign currency contracts \| Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesNoncurrent
Derivatives, Fair Value
Derivative liability, fair value	43	20
Derivatives Not Designated as Hedging Instruments
Derivatives, Fair Value
Outstanding Gross Notional	7,346	7,320
Derivatives Not Designated as Hedging Instruments \| Balance Sheet Location [Axis]: us-gaap:NotesAndLoansReceivableNetCurrent
Derivatives, Fair Value
Derivative asset, fair value	1	2
Derivatives Not Designated as Hedging Instruments \| Balance Sheet Location [Axis]: us-gaap:OtherAssetsCurrent
Derivatives, Fair Value
Derivative asset, fair value	18	39
Derivatives Not Designated as Hedging Instruments \| Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesCurrent
Derivatives, Fair Value
Derivative liability, fair value	50	22
Derivatives Not Designated as Hedging Instruments \| Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesNoncurrent
Derivatives, Fair Value
Derivative liability, fair value	8	4
Derivatives Not Designated as Hedging Instruments \| Foreign currency contracts
Derivatives, Fair Value
Outstanding Gross Notional	7,192	7,167
Derivatives Not Designated as Hedging Instruments \| Foreign currency contracts \| Balance Sheet Location [Axis]: us-gaap:NotesAndLoansReceivableNetCurrent
Derivatives, Fair Value
Derivative asset, fair value	1	2
Derivatives Not Designated as Hedging Instruments \| Foreign currency contracts \| Balance Sheet Location [Axis]: us-gaap:OtherAssetsCurrent
Derivatives, Fair Value
Derivative asset, fair value	17	37
Derivatives Not Designated as Hedging Instruments \| Foreign currency contracts \| Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesCurrent
Derivatives, Fair Value
Derivative liability, fair value	48	22
Derivatives Not Designated as Hedging Instruments \| Foreign currency contracts \| Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesNoncurrent
Derivatives, Fair Value
Derivative liability, fair value	8	4
Derivatives Not Designated as Hedging Instruments \| Other derivatives
Derivatives, Fair Value
Outstanding Gross Notional	154	153
Derivatives Not Designated as Hedging Instruments \| Other derivatives \| Balance Sheet Location [Axis]: us-gaap:NotesAndLoansReceivableNetCurrent
Derivatives, Fair Value
Derivative asset, fair value	0	0
Derivatives Not Designated as Hedging Instruments \| Other derivatives \| Balance Sheet Location [Axis]: us-gaap:OtherAssetsCurrent
Derivatives, Fair Value
Derivative asset, fair value	1	2
Derivatives Not Designated as Hedging Instruments \| Other derivatives \| Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesCurrent
Derivatives, Fair Value
Derivative liability, fair value	2	0
Derivatives Not Designated as Hedging Instruments \| Other derivatives \| Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesNoncurrent
Derivatives, Fair Value
Derivative liability, fair value	$ 0	$ 0