Segment Data - Additional Information (Detail) $ in Millions	12 Months Ended
Sep. 30, 2023 USD ($) customer segment	Sep. 30, 2022 USD ($) customer	Sep. 30, 2021 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
Inventory Recall Expense	$ 653	$ 72	$ 56
Gain (Loss) on Disposition of Business	268	0	0
Surgical Instrumentation
Segment Reporting Information [Line Items]
Gain (Loss) on Disposition of Business	268
Cost of products sold
Segment Reporting Information [Line Items]
Asset Impairment Charges			40
Cost of products sold \| Medical
Segment Reporting Information [Line Items]
Inventory Recall Expense	653	72	56
Asset Impairment Charges		54
Other Operating Income (Expense)
Segment Reporting Information [Line Items]
Product Liability Accrual, Period Expense	$ 26	$ 21	$ 361

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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
-Name Accounting Standards Codification
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-Topic 230
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Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reflects the amount charged against earnings comprised of the costs to announce and effect a recall of defective merchandise.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
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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
-Topic 280
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The amount of loss reported during the period pertaining to product liability.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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