XML 104 R87.htm IDEA: XBRL DOCUMENT v3.10.0.1
Acquisitions and Divestitures - Table (Details) - USD ($)
$ in Millions
Oct. 31, 2018
Oct. 31, 2017
Oct. 31, 2016
Business Acquisition [Line Items]      
Goodwill $ 17,537 $ 17,516 $ 16,090
2017 Acquisitions      
Business Acquisition [Line Items]      
Goodwill   1,427  
Net assets assumed   340  
Total fair value consideration   2,455  
2017 Acquisitions | Intangible Assets      
Business Acquisition [Line Items]      
Intangible assets   603  
2017 Acquisitions | In-process research and development      
Business Acquisition [Line Items]      
Intangible assets   $ 85