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Segment Data - Additional Information (Detail) $ in Millions | 12 Months Ended
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Sep. 30, 2022 USD ($) customer segment | Sep. 30, 2021 USD ($) customer | Sep. 30, 2020 USD ($) customer
Segment Reporting Information [Line Items] |  |  |
Number of principal business segments (segments) | segment | 3 |  |
Number of customers accounted for 10% or more of revenues (customers) | customer | 0 | 0 | 0
Product Liability Accrual, Period Expense | $ 21 |  |
Medical |  |  |
Segment Reporting Information [Line Items] |  |  |
Inventory Recall Expense | 72 | $ 56 | $ 244
Impairment of Intangible Assets (Excluding Goodwill) | 54 |  |
Asset Impairment Charges |  |  | 41
Life Sciences |  |  |
Segment Reporting Information [Line Items] |  |  |
Impairment of Intangible Assets (Excluding Goodwill) |  |  | 57
Other Operating Income (Expense) |  |  |
Segment Reporting Information [Line Items] |  |  |
Product Liability Accrual, Period Expense | $ 21 | $ 361 | $ 378

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- Definition Reflects the amount charged against earnings comprised of the costs to announce and effect a recall of defective merchandise. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3) -URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227 + Details
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- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 18 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8672-108599 + Details
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