Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount of gain (loss) from the ineffectiveness of the hedge.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (d)(1)
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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

The estimated net amount of unrealized gains or losses on interest rate cash flow hedges as of the balance sheet date expected to be reclassified to earnings within the next twelve months.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)
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- Definition

Current period adjustment in other comprehensive income reflecting gains or losses on foreign currency transactions that are designated as, and are effective as, hedges of a net investment in a foreign entity, net of tax effect.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 30
-Section 45
-Paragraph 20
-Subparagraph (b)
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Derivative Instruments and Hedging Activities - Additional Information (Detail) - USD ($)	12 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2015	Jun. 30, 2017
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gain (Loss) on Derivative Used in Net Investment Hedge, Net of Tax	$ (159,000,000)
Reclassification of terminated interest rate swaps to interest expense within the next 12 months	4,000,000
Gains or losses, related to hedge ineffectiveness	0	$ 0	$ 0
Forward exchange contracts
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount	2,500,000,000	2,300,000,000
Interest rate swaps \| Cash Flow Hedges
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount		500,000,000		$ 1,750,000,000
Fixed To Floating
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount	$ 375,000,000	375,000,000
Interest rate	3.125%
Commodity forward contracts
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount	$ 0	$ 0
Debt [Member] \| Net Investment Hedging [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount	$ 2,000,000,000