Business Segment Information - Schedule of Reconciliation of Total Segment Operating Income to Income Before Income Taxes (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Segment Reporting [Line Items] | ||||
| Operating income | $ 1,120,217 | $ 867,654 | $ 3,023,259 | $ 2,610,098 |
| Gains from antitrust litigation settlements | 5,500 | 9,500 | 34,200 | 231,000 |
| LIFO credit | 381,896 | 19,913 | ||
| Litigation and opioid-related credit (expenses), net | 88,643 | (17,974) | 160,936 | (46,263) |
| Acquisition and divestiture-related deal and integration expenses | (113,069) | (52,838) | (355,652) | (190,930) |
| Restructuring and other expenses, net | (60,628) | (41,773) | (115,667) | (140,390) |
| Impairment of assets, including goodwill | 0 | 0 | (249,498) | 0 |
| Other income, net | (16,882) | (110,417) | (1,123,921) | (48,997) |
| Interest expense, net | 140,705 | 81,794 | 353,574 | 213,715 |
| Income before income taxes | 996,394 | 896,277 | 3,793,606 | 2,445,380 |
| Operating Segments | ||||
| Segment Reporting [Line Items] | ||||
| Operating income | 1,238,086 | 1,058,331 | 3,564,149 | 3,199,903 |
| Segment Reconciling Items | ||||
| Segment Reporting [Line Items] | ||||
| Gains from antitrust litigation settlements | 5,494 | 9,495 | 34,184 | 231,011 |
| LIFO credit | 94,304 | 52,058 | 381,896 | 19,913 |
| Türkiye highly inflationary impact | (15,405) | (14,776) | (38,447) | (36,410) |
| Acquisition-related intangibles amortization | (117,208) | (124,869) | (358,642) | (426,736) |
| Litigation and opioid-related credit (expenses), net | 88,643 | (17,974) | 160,936 | (46,263) |
| Acquisition and divestiture-related deal and integration expenses | (113,069) | (52,838) | (355,652) | (190,930) |
| Restructuring and other expenses, net | (60,628) | (41,773) | (115,667) | (140,390) |
| Impairment of assets, including goodwill | $ 0 | $ 0 | $ (249,498) | $ 0 |
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- Definition The amount that will be recognized through the income statement (as well as the impact on the other financial statements) as part of highly inflationary accounting. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of impairment loss for asset. Includes, but is not limited to, tangible and intangible assets and goodwill. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of expense for acquisition-related cost incurred to effect business combination. Includes, but is not limited to, finder's fee; advisory, legal, accounting, valuation, and other professional and consulting fees; and general administrative cost, including cost of maintaining internal acquisition department. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of interest income (expense) classified as nonoperating. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The change in the inventory reserve representing the cumulative difference in cost between the first in, first out and the last in, first out inventory valuation methods, which change has been reflected in the statement of income during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The net result for the period of deducting operating expenses from operating revenues. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of expense charged against earnings to allocate the cost of tangible and intangible assets over their remaining economic lives, classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition 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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition 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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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