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Nonconsolidated Partially-Owned Affiliates Summarized Income Statement Data (Detail) - Equity Method Investments - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2016
Equity Method Investments, Summarized Income Statement Information [Line Items]
Net sales	$ 7,686	$ 6,445	$ 5,329
Gross profit	1,855	1,510	1,323
Net income	547	517	415
Income attributable to noncontrolling interests	10	11	16
Net income attributable to the entity	$ 537	$ 506	$ 399

X

- Definition

The amount of net income (loss) reported by an equity method investment attributable to noncontrolling interests.

+ References

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The amount of net income (loss) reported by an equity method investment of an entity, including income (loss) attributable to noncontrolling interests.

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[Line Items] for Equity Method Investments, Summarized Income Statement Information [Table]

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The amount of gross profit (loss) reported by an equity method investment of the entity.

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