The purchase price associated with the formation of a joint venture.

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- Definition

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

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
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-Subparagraph (c)
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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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- Definition

In a business combination achieved in stages, this element represents the amount of gain recognized by the entity as a result of remeasuring to fair value the equity interest in the acquiree it held before the business combination.

+ References

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- Definition

The cash inflow associated with the acquisition of business during the period (for example, cash that was held by the acquired business).

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

+ References

No definition available.

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- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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-Publisher FASB
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- Definition

Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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- Definition

The number of businesses acquired by the entity during the period.

+ References

No definition available.

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- Definition

The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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- Definition

The cash outflow associated with the investment in or advances to an entity in which the reporting entity shares control of the entity with another party or group.

+ References

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Acquisitions and Divestitures Acquisitions (Details) $ in Millions		3 Months Ended	9 Months Ended	12 Months Ended
	Sep. 02, 2016 USD ($)	Dec. 31, 2015 USD ($)	Jun. 30, 2015 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2015 USD ($)
Business Acquisitions
Business Combination, Consideration Transferred	$ 19,671			$ 19,700
Payments to acquire businesses, net of cash acquired				6	$ (353)	$ 22
Goodwill, acquired during period				(256)	16,622
Goodwill, purchase accounting adjustments				(258)
Non-cash equity gain from acquisition				0	4	$ 0
Hitachi Joint Venture [Member]
Business Acquisitions
Business Acquisition, Percentage of Voting Interests Acquired		100.00%
Goodwill, acquired during period		$ 253
Payments to Acquire Interest in Joint Venture		208		$ 75	$ 133
Purchase Price of Joint Venture		638
Cash Acquired from Acquisition		$ 430
Business Acquisitions, Not Specified
Business Acquisitions
Number of Businesses Acquired				3	2	3
Business Combination, Consideration Transferred				$ 9	$ 6	$ 47
Payments to acquire businesses, net of cash acquired				6	3	18
Goodwill, acquired during period				$ 2	6	$ 9
Customer Relationships
Business Acquisitions
Finite-lived intangible assets acquired	$ 2,280
Building Efficiency Other \| Air Distribution Technologies, Inc.
Business Acquisitions
Payments to acquire businesses, net of cash acquired			$ 4
Goodwill, purchase accounting adjustments			$ 34
Global Products \| Business Acquisitions, Not Specified
Business Acquisitions
Non-cash equity gain from acquisition					$ 4