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Goodwill and Other Intangible Assets - Changes in Carrying Amount of Goodwill (Details) $ in Millions | 9 Months Ended
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Jun. 30, 2018 USD ($)
Goodwill [Roll Forward] |
Beginning Balance | $ 19,688
Business Acquisitions | 12
Business Divestitures | (20)
Currency Translation and Other | (168)
Ending Balance | 19,512
Power Solutions |
Goodwill [Roll Forward] |
Beginning Balance | 1,097
Business Acquisitions | 0
Business Divestitures | 0
Currency Translation and Other | (2)
Ending Balance | 1,095
Building Technologies & Solutions | Building Solutions North America |
Goodwill [Roll Forward] |
Beginning Balance | 9,637
Business Acquisitions | 0
Business Divestitures | 0
Currency Translation and Other | (45)
Ending Balance | 9,592
Building Technologies & Solutions | Building Solutions EMEA/LA |
Goodwill [Roll Forward] |
Beginning Balance | 2,012
Business Acquisitions | 0
Business Divestitures | 0
Currency Translation and Other | (53)
Ending Balance | 1,959
Building Technologies & Solutions | Building Solutions Asia Pacific |
Goodwill [Roll Forward] |
Beginning Balance | 1,255
Business Acquisitions | 0
Business Divestitures | 0
Currency Translation and Other | 2
Ending Balance | 1,257
Building Technologies & Solutions | Global Products |
Goodwill [Roll Forward] |
Beginning Balance | 5,687
Business Acquisitions | 12
Business Divestitures | (20)
Currency Translation and Other | (70)
Ending Balance | $ 5,609

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- Definition Amount after accumulated impairment loss 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 (a) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975 + Details
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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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