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Goodwill and Other Intangible Assets - Changes in Carrying Amount of Goodwill (Details) $ in Millions | 3 Months Ended
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Dec. 31, 2017 USD ($)
Goodwill [Roll Forward] |
Beginning Balance | $ 19,688
Business Acquisitions | 0
Business Divestitures | (18)
Currency Translation and Other | 47
Ending Balance | 19,717
Global Products |
Goodwill [Roll Forward] |
Business Divestitures | (18)
Power Solutions |
Goodwill [Roll Forward] |
Beginning Balance | 1,097
Business Acquisitions | 0
Business Divestitures | 0
Currency Translation and Other | 8
Ending Balance | 1,105
Building Technologies & Solutions | Building Solutions North America |
Goodwill [Roll Forward] |
Beginning Balance | 9,637
Business Acquisitions | 0
Business Divestitures | 0
Currency Translation and Other | (4)
Ending Balance | 9,633
Building Technologies & Solutions | Building Solutions EMEA/LA |
Goodwill [Roll Forward] |
Beginning Balance | 2,012
Business Acquisitions | 0
Business Divestitures | 0
Currency Translation and Other | 14
Ending Balance | 2,026
Building Technologies & Solutions | Building Solutions Asia Pacific |
Goodwill [Roll Forward] |
Beginning Balance | 1,255
Business Acquisitions | 0
Business Divestitures | 0
Currency Translation and Other | 28
Ending Balance | 1,283
Building Technologies & Solutions | Global Products |
Goodwill [Roll Forward] |
Beginning Balance | 5,687
Business Acquisitions | 0
Business Divestitures | (18)
Currency Translation and Other | 1
Ending Balance | $ 5,670

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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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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- Definition Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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- Definition Amount of divestiture of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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