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Other (Income) Expense, Net (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Mar. 31, 2023
Other Income and Expenses [Abstract] |  |  |
Non-service cost components of net periodic pension income | $ (160) | $ (145) | $ (251)
Pension and OPEB actuarial and settlement gains (losses) | (232) | 445 | 1,431
Foreign currency gains | (4) | (7) | (15)
Loss (gain) on real estate and facility sales | 23 | (7) | (21)
Other miscellaneous (gains) and losses | (3) | (68) | (60)
Total | $ (376) | $ 218 | $ 1,084

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- Definition Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
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