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Segment Data - Financial Information for Company's Segments (Detail) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Mar. 31, 2024 | Mar. 31, 2023
Segment Reporting Information [Line Items] |  |  |  |
Integration and restructuring expense | $ (101) | $ (62) | $ (176) | $ (106)
Income Before Income Taxes | 633 | 529 | 991 | 1,009
Operating Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Income (Loss) Before Income Taxes | 1,465 | 1,333 | 2,663 | 2,621
Operating Segments | Medical |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Income (Loss) Before Income Taxes | 662 | 641 | 1,197 | 1,195
Operating Segments | Life Sciences |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Income (Loss) Before Income Taxes | 415 | 394 | 787 | 827
Operating Segments | Interventional |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Income (Loss) Before Income Taxes | 388 | 297 | 679 | 598
Segment Reconciling Items |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Integration and restructuring expense | (101) | (62) | (176) | (106)
Net interest expense | (99) | (108) | (176) | (204)
Corporate, Non-Segment |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Income (Loss) Before Income Taxes | $ (632) | $ (635) | $ (1,320) | $ (1,301)

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- Definition Acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; business integration costs, systems integration and conversion costs, and severance and other employee-related costs; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. Additionally includes the amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References No definition available. + Details
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