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Acquisitions and Divestitures - Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination (Details) - Silent-Aire - USD ($) $ in Millions | 1 Months Ended | 12 Months Ended
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May 31, 2021 | Sep. 30, 2022
Business Acquisitions |  |
Total identifiable intangible assets | $ 497 |
Indefinite-lived trademarks |  |
Business Acquisitions |  |
Indefinite-lived intangible assets acquired | 67 |
Customer relationships |  |
Business Acquisitions |  |
Finite-lived intangible assets acquired | 291 |
Weighted Average Life (in years) |  | 19 years
Technology |  |
Business Acquisitions |  |
Finite-lived intangible assets acquired | 116 |
Weighted Average Life (in years) |  | 13 years
Other definite-lived intangibles |  |
Business Acquisitions |  |
Finite-lived intangible assets acquired | $ 23 |
Weighted Average Life (in years) |  | 1 year

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition Amount of intangible assets, excluding goodwill, acquired at the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=128092470&loc=d3e4845-128472 + Details
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