Employee Benefit Plans - Estimated Future Benefit Payments (Detail) (USD $) In Millions, unless otherwise specified	Sep. 30, 2013
U.S. Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
2014	$ 12
2015	11
2016	14
2017	13
2018	12
2019-2023	60
Foreign Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
2014	16
2015	17
2016	20
2017	19
2018	20
2019-2023	117
U. S. Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
2014	5
2015	5
2016	5
2017	5
2018	5
2019-2023	20
Foreign Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
2014	1
2015	1
2016	1
2017	1
2018	1
2019-2023	$ 5

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Amount of benefits expected to be paid in the five fiscal years after the fifth fiscal year following the latest fiscal year from a defined benefit plan.

+ 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=28361610&loc=d3e1928-114920

+ Details

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- Definition

Amount of benefits expected to be paid in the next fiscal year following the latest fiscal year from a defined benefit plan.

+ References

+ Details

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- Definition

Amount of benefits expected to be paid in the fifth fiscal year following the latest fiscal year from a defined benefit plan.

+ References

+ Details

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- Definition

Amount of benefits expected to be paid in the fourth fiscal year following the latest fiscal year from a defined benefit plan.

+ References

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- Definition

Amount of benefits expected to be paid in the third fiscal year following the latest fiscal year from a defined benefit plan.

+ References

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- Definition

Amount of benefits expected to be paid in the second fiscal year following the latest fiscal year from a defined benefit plan.

+ References

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