XML 60 R49.htm IDEA: XBRL DOCUMENT v3.19.2
SHARE-BASED COMPENSATION Allocated Share-based compensation expense (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Jul. 31, 2019
Jul. 31, 2018
Jul. 31, 2019
Jul. 31, 2018
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Share-based compensation expense $ 18 $ 13 $ 58 $ 56
Cost of Products and Services        
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Share-based compensation expense 4 3 13 13
Research and Development Expense        
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Share-based compensation expense 2 1 6 5
Selling, General and Administrative Expenses        
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Share-based compensation expense $ 12 $ 9 $ 39 $ 38