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SUMMARY OF ACCOUNTING POLICIES - Concentration of Credit Risk (Details) - USD ($) $ in Millions | 12 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024 | Mar. 31, 2023
Continuing Operations |  |  |
Allowance for doubtful accounts |  |  |
Balance at Beginning of Year | $ 12 | $ 6 | $ 52
Charges (Recoveries) to Costs and Expenses | (1) | 9 | 4
Deductions/Write-Offs | (4) | (3) | (50)
Balance at End of Year | $ 7 | $ 12 | $ 6
Ten largest customers | Net sales | Customer Concentration Risk |  |  |
Allowance for doubtful accounts |  |  |
Concentration risk percentage | 44.00% | 37.00% | 37.00%

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