Segment Information [Line Items]

No definition available.

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- Definition

This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=66022249&loc=d3e33749-111570

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-Publisher FASB
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- Definition

Gain (loss) from sale or disposal of an organization or integrated set of activities (for example, but not limited to, a partnership or corporation) engaged in providing a product or service in a commercial, industrial, or professional environment.

+ References

No definition available.

+ Details

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- Definition

This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
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-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

No definition available.

+ Details

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- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
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- Details

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Segment Information Financial Information Related to Company's Reportable Segments (Additional Information) (Details) $ in Millions	3 Months Ended		9 Months Ended	12 Months Ended
	Sep. 30, 2017 USD ($) Segment	Jun. 30, 2016 USD ($)	Jun. 30, 2017 Segment	Sep. 30, 2017 USD ($) Segment	Sep. 30, 2016 USD ($)	Sep. 30, 2015 USD ($)
Segment Information [Line Items]
Number of reportable segments \| Segment	4		5	5
Restructuring and impairment costs				$ (367)	$ (288)	$ (215)
Equity income in segment income				240	174	80
Gain (loss) on business divestitures - net				9	26	1,340
Power Solutions
Segment Information [Line Items]
Restructuring and impairment costs				20	66	11
Equity income in segment income				83	48	57
Equity Method Investments	$ 447			447	367	343
Building Solutions North America
Segment Information [Line Items]
Gain (loss) on business divestitures - net		$ 14
Building Solutions North America \| Building Technologies & Solutions
Segment Information [Line Items]
Restructuring and impairment costs				59		2
Global Products
Segment Information [Line Items]
Equity Method Investments	637			637	520	64
Global Products \| Building Technologies & Solutions
Segment Information [Line Items]
Restructuring and impairment costs				32	(44)	(20)
Equity income in segment income				151	114	9
Building Solutions EMEA/LA
Segment Information [Line Items]
Equity Method Investments	$ 107			107	103	90
Building Solutions EMEA/LA \| Building Technologies & Solutions
Segment Information [Line Items]
Restructuring and impairment costs				74	17	9
Equity income in segment income				$ 5	$ 11	$ 14