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Impairment of Long-Lived Assets (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2019 | Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2017
Impairment of Long Lived Assets [Line Items] |  |  |  |
Asset Impairment Charges |  | $ 235 | $ 36 | $ 71
Document Period End Date |  | Sep. 30, 2019 |  |
Global Products |  |  |  |
Impairment of Long Lived Assets [Line Items] |  |  |  |
Impairment of Long-Lived Assets to be Disposed of | $ 235 | $ 235 |  |
2018 Restructuring Plan [Member] |  |  |  |
Impairment of Long Lived Assets [Line Items] |  |  |  |
Asset Impairment Charges |  |  | 36 |
2018 Restructuring Plan [Member] | Global Products |  |  |  |
Impairment of Long Lived Assets [Line Items] |  |  |  |
Asset Impairment Charges |  |  | 31 |
2018 Restructuring Plan [Member] | Power Solutions |  |  |  |
Impairment of Long Lived Assets [Line Items] |  |  |  |
Asset Impairment Charges |  |  | 6 |
2018 Restructuring Plan [Member] | Corporate |  |  |  |
Impairment of Long Lived Assets [Line Items] |  |  |  |
Asset Impairment Charges |  |  | $ 5 |
2017 Restructuring Plan [Member] |  |  |  |
Impairment of Long Lived Assets [Line Items] |  |  |  |
Asset Impairment Charges |  |  |  | 70
2017 Restructuring Plan [Member] | Building Solutions Asia Pacific |  |  |  |
Impairment of Long Lived Assets [Line Items] |  |  |  |
Asset Impairment Charges |  |  |  | 1
2017 Restructuring Plan [Member] | Building Solutions North America |  |  |  |
Impairment of Long Lived Assets [Line Items] |  |  |  |
Asset Impairment Charges |  |  |  | 30
2017 Restructuring Plan [Member] | Global Products |  |  |  |
Impairment of Long Lived Assets [Line Items] |  |  |  |
Asset Impairment Charges |  |  |  | 20
2017 Restructuring Plan [Member] | Power Solutions |  |  |  |
Impairment of Long Lived Assets [Line Items] |  |  |  |
Asset Impairment Charges |  |  |  | 7
2017 Restructuring Plan [Member] | Corporate |  |  |  |
Impairment of Long Lived Assets [Line Items] |  |  |  |
Asset Impairment Charges |  |  |  | $ 19

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- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2420-110228 + Details
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- Definition The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2611-110228 + Details
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