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Acquisitions and Divestitures - Schedule of Recognized Identified Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions | Sep. 30, 2023 | Jul. 31, 2023 | Sep. 30, 2022 | Sep. 30, 2021
--- | --- | --- | --- | ---
Business Acquisitions |  |  |  |
Goodwill | $ 17,936 |  | $ 17,350 | $ 18,335
FM:Systems |  |  |  |
Business Acquisitions |  |  |  |
Cash and cash equivalents |  | $ 8 |  |
Accounts receivable |  | 15 |  |
All other current assets |  | 9 |  |
Goodwill |  | 399 |  |
Intangible assets |  | 194 |  |
All other noncurrent assets |  | 7 |  |
Total assets acquired |  | 632 |  |
Deferred revenue |  | 24 |  |
All other current liabilities |  | 49 |  |
Other noncurrent liabilities |  | 11 |  |
Total liabilities acquired |  | 84 |  |
Net assets acquired |  | $ 548 |  |

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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479907/805-20-50-1 + Details
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- Definition Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479907/805-20-50-1 + Details
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