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Overview and Basis of Presentation (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Apr. 01, 2017
Sep. 07, 2016
Nov. 01, 2015
Apr. 30, 2017
Oct. 31, 2016
Segment Reporting Information          
Outstanding shares distributed     100.00%    
separation related adjustments         $ 1,200
Former Parent Company          
Segment Reporting Information          
Distribution ratio     1    
Shares distributed to shareholder (in shares)     1,800,000,000    
Enterprise Services | Discontinued Operations, Disposed of by Means Other than Sale, Spinoff          
Segment Reporting Information          
Shares distributed to shareholder (in shares) 0.085904        
Net cash transfer $ 500     $ 559  
Shareholders | Non-Core Software Seattle SpinCo With Micro Focus | Disposal Group, Disposed of by Means Other than Sale, Not Discontinued Operations, Spinoff          
Segment Reporting Information          
Business acquisition percentage of voting interests expected to be acquired by entity shareholders   50.10%      
Dividends   $ 2,500      
Accounting Standards Update 2015-03 | Long-Term Financing Receivables And Other Assets          
Segment Reporting Information          
Deferred debt issuance costs         (50)
Accounting Standards Update 2015-03 | Notes Payable And Short-Term Borrowings And Long-Term Debt          
Segment Reporting Information          
Deferred debt issuance costs         $ 50
Hewlett Packard Enterprise Company | Everett SpinCo          
Segment Reporting Information          
Debt 3,500        
Dividends 3,000        
Hewlett Packard Enterprise Company | Senior Notes | Everett SpinCo          
Segment Reporting Information          
Debt 1,500        
Hewlett Packard Enterprise Company | Line of Credit | Everett SpinCo          
Segment Reporting Information          
Debt $ 2,000