Indemnifications (Tables)
 6 Months Ended
Apr. 30, 2018
Guarantees and Product Warranties [Abstract]  
Schedule of Indemnified Litigation Matters and Other Contingencies
As of April 30, 2018 and October 31, 2017, the Company’s receivable and payable balances related to indemnified litigation matters and other contingencies, and income tax-related indemnification covered by these agreements were as follows:
 
As of
 
April 30, 2018
 
October 31, 2017
 
In millions
Litigation matters and other contingencies
 
 
 
Receivable
$
128

 
$
150

Payable
$
89

 
$
91

 
 
 
 
Income tax related indemnification(1)
 
 
 
Net indemnification receivable - long-term
$
278

 
$
1,430

Net indemnification payable - short-term
$
172

 
$
36

 
(1)
The actual amount that the Company may receive or pay could vary depending upon the outcome of certain unresolved tax matters, which may not be resolved for several years.