XML 147 R130.htm IDEA: XBRL DOCUMENT v3.10.0.1
Commitments - Lease Commitments (Details) - USD ($)
$ in Millions
12 Months Ended
Oct. 31, 2018
Oct. 31, 2017
Oct. 31, 2016
Commitments and Contingencies Disclosure [Abstract]      
Rent expense $ 200 $ 200 $ 200
Fiscal year      
2019 317    
2020 256    
2021 200    
2022 162    
2023 141    
Thereafter 411    
Less: Sublease rental income (129)    
Total $ 1,358