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Guarantees, Indemnifications and Warranties (Tables)
12 Months Ended
Oct. 31, 2018
Guarantees and Product Warranties [Abstract]  
Changes in Aggregate Product Warranty Liabilities
HP’s aggregate product warranty liabilities and changes were as follows:
 
As of October 31
 
2018
 
2017
 
In millions
Balance at beginning of year
$
898

 
$
980

Accruals for warranties issued
1,042

 
925

Adjustments related to pre-existing warranties (including changes in estimates)
(15
)
 
(8
)
Settlements made (in cash or in kind)
(1,010
)
 
(999
)
Balance at end of year
$
915

 
$
898