v3.26.1
Fair Value - Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($)
$ in Millions
Apr. 30, 2026
Oct. 31, 2025
Assets    
Total cash equivalents $ 3,449 $ 3,738
Total available-for-sale debt investments 155 157
Total equity investments 69 65
Total assets 3,853 4,155
Liabilities    
Total liabilities 384 289
Time deposits    
Assets    
Total cash equivalents 846 997
Money market funds    
Assets    
Total cash equivalents 2,603 2,741
Foreign bonds    
Assets    
Total available-for-sale debt investments 111 111
Other debt securities    
Assets    
Total available-for-sale debt investments 44 46
Mutual funds    
Assets    
Total equity investments 61 59
Equity securities in public companies    
Assets    
Total equity investments 8 6
Foreign currency contracts    
Assets    
Total assets 171 193
Liabilities    
Total liabilities 326 238
Other derivatives    
Assets    
Total assets 9 2
Interest rate contracts    
Liabilities    
Total liabilities 58 51
Quoted Prices in Active Markets for Identical Assets (Level 1)    
Assets    
Total cash equivalents 2,603 2,741
Total available-for-sale debt investments 0 0
Total equity investments 8 6
Total assets 2,611 2,747
Liabilities    
Total liabilities 0 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Time deposits    
Assets    
Total cash equivalents 0 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Money market funds    
Assets    
Total cash equivalents 2,603 2,741
Quoted Prices in Active Markets for Identical Assets (Level 1) | Foreign bonds    
Assets    
Total available-for-sale debt investments 0 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Other debt securities    
Assets    
Total available-for-sale debt investments 0 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Mutual funds    
Assets    
Total equity investments 0 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Equity securities in public companies    
Assets    
Total equity investments 8 6
Quoted Prices in Active Markets for Identical Assets (Level 1) | Foreign currency contracts    
Assets    
Total assets 0 0
Liabilities    
Total liabilities 0 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Other derivatives    
Assets    
Total assets 0 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Interest rate contracts    
Liabilities    
Total liabilities 0 0
Significant Other Observable Remaining Inputs (Level 2)    
Assets    
Total cash equivalents 846 997
Total available-for-sale debt investments 111 111
Total equity investments 61 59
Total assets 1,198 1,362
Liabilities    
Total liabilities 384 289
Significant Other Observable Remaining Inputs (Level 2) | Time deposits    
Assets    
Total cash equivalents 846 997
Significant Other Observable Remaining Inputs (Level 2) | Money market funds    
Assets    
Total cash equivalents 0 0
Significant Other Observable Remaining Inputs (Level 2) | Foreign bonds    
Assets    
Total available-for-sale debt investments 111 111
Significant Other Observable Remaining Inputs (Level 2) | Other debt securities    
Assets    
Total available-for-sale debt investments 0 0
Significant Other Observable Remaining Inputs (Level 2) | Mutual funds    
Assets    
Total equity investments 61 59
Significant Other Observable Remaining Inputs (Level 2) | Equity securities in public companies    
Assets    
Total equity investments 0 0
Significant Other Observable Remaining Inputs (Level 2) | Foreign currency contracts    
Assets    
Total assets 171 193
Liabilities    
Total liabilities 326 238
Significant Other Observable Remaining Inputs (Level 2) | Other derivatives    
Assets    
Total assets 9 2
Significant Other Observable Remaining Inputs (Level 2) | Interest rate contracts    
Liabilities    
Total liabilities 58 51
Significant Other Unobservable Remaining Inputs (Level 3)    
Assets    
Total cash equivalents 0 0
Total available-for-sale debt investments 44 46
Total equity investments 0 0
Total assets 44 46
Liabilities    
Total liabilities 0 0
Significant Other Unobservable Remaining Inputs (Level 3) | Time deposits    
Assets    
Total cash equivalents 0 0
Significant Other Unobservable Remaining Inputs (Level 3) | Money market funds    
Assets    
Total cash equivalents 0 0
Significant Other Unobservable Remaining Inputs (Level 3) | Foreign bonds    
Assets    
Total available-for-sale debt investments 0 0
Significant Other Unobservable Remaining Inputs (Level 3) | Other debt securities    
Assets    
Total available-for-sale debt investments 44 46
Significant Other Unobservable Remaining Inputs (Level 3) | Mutual funds    
Assets    
Total equity investments 0 0
Significant Other Unobservable Remaining Inputs (Level 3) | Equity securities in public companies    
Assets    
Total equity investments 0 0
Significant Other Unobservable Remaining Inputs (Level 3) | Foreign currency contracts    
Assets    
Total assets 0 0
Liabilities    
Total liabilities 0 0
Significant Other Unobservable Remaining Inputs (Level 3) | Other derivatives    
Assets    
Total assets 0 0
Significant Other Unobservable Remaining Inputs (Level 3) | Interest rate contracts    
Liabilities    
Total liabilities $ 0 $ 0