Retirement and Post-Retirement Benefit Plan - Schedule of Estimated Future Benefits Payments for Retirement and Post-Retirement Plans (Details) $ in Millions	Oct. 31, 2016 USD ($)
U.S. Defined Benefit Plans
Fiscal year
2017	$ 687
2018	635
2019	648
2020	674
2021	702
Next five fiscal years to October 31, 2026	3,685
Non-U.S. Defined Benefit Plans
Fiscal year
2017	27
2018	24
2019	28
2020	29
2021	28
Next five fiscal years to October 31, 2026	188
Post-Retirement Benefit Plans
Fiscal year
2017	80
2018	61
2019	51
2020	47
2021	44
Next five fiscal years to October 31, 2026	$ 167

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- Definition

Amount of benefits from a defined benefit plan expected to be paid in the five fiscal years after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920

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- Definition

Amount of benefits from a defined benefit plan expected to be paid in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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- Definition

Amount of benefits from a defined benefit plan expected to be paid in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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- Definition

Amount of benefits from a defined benefit plan expected to be paid in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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- Definition

Amount of benefits from a defined benefit plan expected to be paid in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of benefits from a defined benefit plan expected to be paid in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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