XML 51 R41.htm IDEA: XBRL DOCUMENT v3.21.1
Segment Information - Revenue by Geographic Region (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Apr. 30, 2021
Apr. 30, 2020
Apr. 30, 2021
Apr. 30, 2020
Segment Reporting Information [Line Items]        
Total net revenue $ 6,700 $ 6,009 $ 13,533 $ 12,958
Total Americas        
Segment Reporting Information [Line Items]        
Total net revenue 2,479 2,316 5,092 5,102
United States        
Segment Reporting Information [Line Items]        
Total net revenue 2,018 1,906 4,196 4,224
Americas excluding U.S.        
Segment Reporting Information [Line Items]        
Total net revenue 461 410 896 878
Europe, Middle East and Africa        
Segment Reporting Information [Line Items]        
Total net revenue 2,554 2,198 5,174 4,758
Asia Pacific and Japan        
Segment Reporting Information [Line Items]        
Total net revenue $ 1,667 $ 1,495 $ 3,267 $ 3,098