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Recognition Of Fair Value Adjustment To Inventory Acquired

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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.

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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.

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The difference between the carrying value and the sale price of an investment. A gain would be recognized when the sale price of the investment is greater than the carrying value of the investment. This element refers to the Gain included in earnings and not to the cash proceeds of the sale.

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value.

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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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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.

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The amount of loss reported during the period pertaining to product liability.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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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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Segment Data - Additional Information (Detail) $ in Millions	3 Months Ended								12 Months Ended
	Sep. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Sep. 30, 2020 USD ($) segment customer	Sep. 30, 2019 USD ($) customer	Sep. 30, 2018 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									$ 244	$ 75
Gain (Loss) on Disposition of Business									0	336	$ 0
Gain on Sale of Investments									0	0	303
Revenues	$ 4,784	$ 3,855	$ 4,253	$ 4,225	$ 4,584	$ 4,350	$ 4,195	$ 4,160	17,117	17,290	15,983
United States
Segment Reporting Information [Line Items]
Revenues									9,716	9,730	8,768
Non-US
Segment Reporting Information [Line Items]
Revenues									7,401	7,560	7,215
IVFluids [Member] \| United States
Segment Reporting Information [Line Items]
Revenues										11	17
InterventionalSpecialties,BrachytherapyandFeedingProducts [Member] \| United States
Segment Reporting Information [Line Items]
Revenues										130	134
InterventionalSpecialties,BrachytherapyandFeedingProducts [Member] \| Non-US
Segment Reporting Information [Line Items]
Revenues										55	60
Advanced Bioprocessing
Segment Reporting Information [Line Items]
Gain (Loss) on Disposition of Business										336
CR Bard Inc
Segment Reporting Information [Line Items]
Recognition Of Fair Value Adjustment To Inventory Acquired											478
Medical
Segment Reporting Information [Line Items]
Asset Impairment Charges									41		58
Medical \| CR Bard Inc
Segment Reporting Information [Line Items]
Recognition Of Fair Value Adjustment To Inventory Acquired											60
Life Sciences
Segment Reporting Information [Line Items]
Impairment of Intangible Assets (Excluding Goodwill)									57		81
Interventional
Segment Reporting Information [Line Items]
Impairment of Intangible Assets (Excluding Goodwill)										30
Interventional \| CR Bard Inc
Segment Reporting Information [Line Items]
Recognition Of Fair Value Adjustment To Inventory Acquired											$ 418
Other Operating Income (Expense)
Segment Reporting Information [Line Items]
Product Liability Accrual, Period Expense									$ 378	$ 914