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Segment Data - Financial Information for Company's Segments (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2023
Segment Reporting Information [Line Items] |  |  |
Revenues | $ 21,840 | $ 20,178 | $ 19,372
Cost of products sold | 11,915 | 11,053 | 11,202
Selling and administrative expense | 5,278 | 4,857 | 4,719
Research and development expense | 1,265 | 1,190 | 1,237
Other Operating Income (Expense), Net | (396) | (222) | 210
Reconciliation of Operating Profit (Loss) from Segments to Consolidated | 2,579 | 2,397 | 2,111
Integration, restructuring and transaction expense | (408) | (458) | (313)
Income from Continuing Operations Before Income Taxes | 1,881 | 2,005 | 1,662
Segment, Expenditure, Addition to Long-Lived Assets | 760 | 725 | 874
Depreciation and amortization | 2,462 | 2,286 | 2,288
Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 21,840 | 20,245 | 19,372
Cost of products sold | 9,666 | 9,245 | 8,858
Selling and administrative expense | 3,030 | 2,679 | 2,599
Research and development expense | 1,092 | 1,009 | 1,041
Other Operating Income (Expense), Net | 17 | (2) | (16)
Reconciliation of Operating Profit (Loss) from Segments to Consolidated | 8,034 | 7,314 | 6,891
Operating Segments | Medical |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 11,456 | 10,074 | 9,502
Cost of products sold | $ 5,464 | $ 5,015 | $ 4,719
Cost of Products Sold as a Percent of Revenues | 47.70% | 49.80% | 49.70%
Selling and administrative expense | $ 1,312 | $ 1,031 | $ 993
Segment Selling and Administrative as a Percent of Revenues | 11.50% | 10.20% | 10.40%
Research and development expense | $ 523 | $ 447 | $ 445
Segment Research and Development as a Percent of Revenues | 4.60% | 4.40% | 4.70%
Other Operating Income (Expense), Net | $ 17 | $ (2) | $ (6)
Segment Other Operating Expense (Income), net as a Percent of Revenues | 0.20% | 0.00% | (0.10%)
Reconciliation of Operating Profit (Loss) from Segments to Consolidated | $ 4,140 | $ 3,583 | $ 3,352
Segment Operating Income as a Percent of Revenues | 36.10% | 35.60% | 35.30%
Segment, Expenditure, Addition to Long-Lived Assets | $ 469 | $ 438 | $ 563
Depreciation and amortization | 1,393 | 1,216 | 1,199
Operating Segments | Life Sciences |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 5,167 | 5,191 | 5,133
Cost of products sold | $ 2,490 | $ 2,538 | $ 2,489
Cost of Products Sold as a Percent of Revenues | 48.20% | 48.90% | 48.50%
Selling and administrative expense | $ 721 | $ 702 | $ 680
Segment Selling and Administrative as a Percent of Revenues | 14.00% | 13.50% | 13.30%
Research and development expense | $ 315 | $ 336 | $ 371
Segment Research and Development as a Percent of Revenues | 6.10% | 6.50% | 7.20%
Other Operating Income (Expense), Net | $ 0 | $ 0 | $ (6)
Segment Other Operating Expense (Income), net as a Percent of Revenues | 0.00% | 0.00% | (0.10%)
Reconciliation of Operating Profit (Loss) from Segments to Consolidated | $ 1,641 | $ 1,616 | $ 1,599
Segment Operating Income as a Percent of Revenues | 31.80% | 31.10% | 31.20%
Segment, Expenditure, Addition to Long-Lived Assets | $ 121 | $ 114 | $ 139
Depreciation and amortization | 261 | 272 | 277
Operating Segments | Interventional |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 5,217 | 4,980 | 4,736
Cost of products sold | $ 1,712 | $ 1,693 | $ 1,650
Cost of Products Sold as a Percent of Revenues | 32.80% | 34.00% | 34.80%
Selling and administrative expense | $ 997 | $ 945 | $ 926
Segment Selling and Administrative as a Percent of Revenues | 19.10% | 19.00% | 19.60%
Research and development expense | $ 255 | $ 226 | $ 225
Segment Research and Development as a Percent of Revenues | 4.90% | 4.50% | 4.70%
Other Operating Income (Expense), Net | $ 0 | $ 0 | $ (4)
Segment Other Operating Expense (Income), net as a Percent of Revenues | 0.00% | 0.00% | (0.10%)
Reconciliation of Operating Profit (Loss) from Segments to Consolidated | $ 2,253 | $ 2,115 | $ 1,939
Segment Operating Income as a Percent of Revenues | 43.20% | 42.50% | 40.90%
Segment, Expenditure, Addition to Long-Lived Assets | $ 142 | $ 127 | $ 138
Depreciation and amortization | 795 | 786 | 799
Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment |  |  |
Segment Reporting Information [Line Items] |  |  |
Interest Income (Expense), Operating | (575) | (364) | (403)
Purchase accounting adjustments | (1,898) | (1,503) | (1,434)
Integration, restructuring and transaction expense | (408) | (458) | (306)
Product, litigation, and other items | (548) | (346) | (554)
Financing costs |  | 8 |
Separation-related items | (97) | (13) | (14)
European regulatory initiative-related costs |  | (104) | (139)
Corporate and All Other |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 0 | (67) | 0
Operating Expenses | (2,628) | (2,529) | (2,378)
Segment, Expenditure, Addition to Long-Lived Assets | 28 | 46 | 35
Depreciation and amortization | $ 14 | $ 13 | $ 13

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- Definition Expenses associated with exit or disposal activities pursuant to an authorized plan. Also includes 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. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References No definition available. + Details
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