Investment in and Advances to Non-Consolidated Affiliates and Related Party Transactions - Results of Operations of Equity Method Affiliates (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Mar. 31, 2025 |
Mar. 31, 2024 |
Mar. 31, 2023 |
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| Schedule of Equity Method Investments [Line Items] | |||
| Net sales | $ 17,149 | $ 16,210 | $ 18,486 |
| Income tax provision | 159 | 218 | 147 |
| Net income | 683 | 600 | 657 |
| Purchase of tolling services from Alunorf | 298 | 297 | 332 |
| Equity Method Investments | |||
| Schedule of Equity Method Investments [Line Items] | |||
| Net sales | 1,568 | 1,519 | 1,721 |
| Cost of Revenue | 1,531 | 1,492 | 1,652 |
| Income tax provision | 9 | 4 | 21 |
| Net income | $ 28 | $ 23 | $ 48 |
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- Definition Purchase of tolling services. 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/exampleRef
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. 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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- 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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- Details
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