v3.26.1
STOCKHOLDERS' EQUITY (Stock Repurchase Program) (Details) - USD ($)
$ in Millions
6 Months Ended
Apr. 30, 2026
Apr. 30, 2025
Nov. 24, 2025
Condensed Balance Sheet Statements, Captions [Line Items]      
Stock Repurchase Program, Authorized Amount     $ 1,500
Share Repurchase Program, Remaining Authorized, Amount $ 1,192    
Treasury Stock, Shares, Acquired 1,201,136 1,490,118  
Payments for Repurchase of Common Stock $ 307 $ 225  
Share Repurchase Program, Excise Tax $ 2 $ 1