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Taxes on Earnings - Schedule of Significant Components of Deferred Tax Assets and Deferred Tax Liabilities (Details) - USD ($)
$ in Millions
Oct. 31, 2018
Oct. 31, 2017
Oct. 31, 2016
Oct. 31, 2015
Deferred Tax Assets        
Loss and credit carryforwards $ 8,204 $ 9,914    
Intercompany transactions—excluding inventory 994 1,901    
Fixed assets 151 256    
Warranty 194 219    
Employee and retiree benefits 401 519    
Deferred Revenue 164 231    
Other 422 511    
Gross Deferred Tax Assets 10,530 13,551    
Valuation allowances (7,906) (8,807) $ (8,520) $ (7,114)
Net Deferred Tax Assets 2,624 4,744    
Deferred Tax Liabilities        
Unremitted earnings of foreign subsidiaries (31) (5,554)    
Intangible assets (229) (209)    
Other (33) (49)    
Total Deferred Tax Liabilities (293) (5,812)    
Total $ 2,331      
Total   $ (1,068)