XML 94 R77.htm IDEA: XBRL DOCUMENT v3.10.0.1
Taxes on Earnings (Detail 3) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 9 Months Ended 12 Months Ended
Oct. 31, 2018
Jul. 31, 2018
Apr. 30, 2018
Jan. 31, 2018
Oct. 31, 2017
Jul. 31, 2017
Apr. 30, 2017
Jan. 31, 2017
Jul. 31, 2018
Oct. 31, 2018
Oct. 31, 2017
Oct. 31, 2016
Oct. 31, 2015
Income Tax Examination [Line Items]                          
Income tax benefits related to items unique to the year                   $ (2,000) $ 554 $ (250)  
Provision for (benefit from) taxes on earnings $ 1,348 $ 13 $ (966) $ (2,139) $ (679) $ (160) $ 591 $ 84   (1,744) (164) 623  
Income tax benefits related to acquisition, separation, divestiture                   208 88    
Valuation allowance on deferred tax assets 8,209       2,789         8,209 2,789    
Income tax charges related to tax indemnification                     699    
Settlement of pre-separation liabilities                   125 326    
Share-based compensation cost                   65      
Income tax benefits related to restructuring and separation related costs                       647  
Income tax benefits for adjustments to uncertain tax positions                       169  
Income tax charges related to state tax impacts                       124  
Income tax benefits, reduced rates for subsidiaries in certain countries                   $ 792 $ 378 $ 401  
Income tax benefits, reduced rates for subsidiaries in certain countries (in dollars per share)                   $ 0.51 $ 0.23 $ 0.23  
U.S. federal statutory income tax rate                 23.30% 23.30% 35.00% 35.00%  
Transition tax                   $ 1,700      
Estimated change in income tax expense (benefit)                   (1,700)      
Tax benefit related to reversal of deferred tax recognized 3,700                 3,700      
Estimated deferred tax asset valuation alllowance                   687      
Spinoff | Everett SpinCo, Inc. and Seattle SpinCo, Inc.                          
Income Tax Examination [Line Items]                          
Provision for (benefit from) taxes on earnings                   (2,000)      
Disposed of by sale | HC3                          
Income Tax Examination [Line Items]                          
Provision for (benefit from) taxes on earnings                     $ 473    
State                          
Income Tax Examination [Line Items]                          
Valuation allowance on deferred tax assets 422                 422      
Income tax benefits related to valuation allowances                       $ 714  
Foreign                          
Income Tax Examination [Line Items]                          
Income tax benefits related to valuation allowances                       (509)  
Deferred tax asset valuation allowance                          
Income Tax Examination [Line Items]                          
Provision for (benefit from) taxes on earnings                   166 (848) 203  
Valuation allowance on deferred tax assets $ 8,209       $ 2,789         8,209 2,789 2,095 $ 1,572
Valuation allowance offsetting current year losses recorded                   $ 5,028 $ 0 $ 0