Related Party Transactions (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Sep. 30, 2025 |
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| Related Party Transaction [Line Items] | |||||
| Net sales to related parties | $ 3,929 | $ 3,741 | $ 11,438 | $ 10,847 | |
| Purchases from related parties | 3,694 | 3,504 | 10,729 | 10,133 | |
| Receivables from related parties | 1,881 | 1,881 | $ 1,873 | ||
| Related Party | |||||
| Related Party Transaction [Line Items] | |||||
| Net sales to related parties | 23 | 35 | 73 | 119 | |
| Purchases from related parties | 66 | $ 74 | 230 | $ 233 | |
| Receivables from related parties | 15 | 15 | 16 | ||
| Payables to related parties | $ 43 | $ 43 | $ 58 | ||
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- Definition Amount, after allowance, receivable from customers, clients, or other third-parties, and receivables classified as other due within one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of liabilities incurred to vendors for goods and services received, and accrued liabilities classified as other, payable within one year or the normal operating cycle, if longer. No definition available.
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- Definition The aggregate cost of goods produced and sold and services rendered during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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