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Commitments (Tables)
12 Months Ended
Oct. 31, 2019
Commitments and Contingencies Disclosure [Abstract]  
Future annual lease commitments and sublease rental income
As of October 31, 2019, future minimum lease commitments on the Company's operating leases were as follows:
Fiscal Year
In millions
2020
$
233

2021
187

2022
164

2023
149

2024
127

Thereafter
541

Less: Sublease rental income
(158
)
Total
$
1,243


Future unconditional purchase obligations
As of October 31, 2019, future unconditional purchase obligations were as follows:
Fiscal Year
In millions
2020
$
138

2021
79

2022
20

2023
10

2024
8

Thereafter
41

Total
$
296