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Retirement and Post-Retirement Benefit Plans - Schedule of Net Amounts of Noncurrent Assets and Current and Noncurrent Liabilities for Defined Benefit and Post-Retirement Benefit Plans (Details) - USD ($)
$ in Millions
Oct. 31, 2018
Oct. 31, 2017
Post-Retirement Benefit Plans    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Non-current assets $ 11 $ 7
Current liabilities (6) (7)
Non-current liabilities (14) (112)
Funded status at end of year (9) (112)
U.S. | Defined Benefit Plans    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Non-current assets 0 0
Current liabilities (32) (33)
Non-current liabilities (1,117) (1,395)
Funded status at end of year (1,149) (1,428)
Non-U.S. | Defined Benefit Plans    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Non-current assets 10 18
Current liabilities (9) (5)
Non-current liabilities (378) (330)
Funded status at end of year $ (377) $ (317)