Income Taxes (Schedule of Taxes Paid) (Details) $ in Millions	12 Months Ended
Mar. 31, 2026 USD ($)
Income Tax Paid, by Individual Jurisdiction [Line Items]
Domestic - Federal Tax	$ 2
Foreign Tax
Total Taxes Paid	$ 180
Percent
Domestic - Federal Tax	1.00%
Foreign Tax
Total Taxes Paid	100.00%
Brazil
Foreign Tax
Foreign Tax	$ 92
Foreign Tax
Foreign Tax	51.00%
Korea
Foreign Tax
Foreign Tax	$ 48
Foreign Tax
Foreign Tax	27.00%
China
Foreign Tax
Foreign Tax	$ 15
Foreign Tax
Foreign Tax	8.00%
Germany
Foreign Tax
Foreign Tax	$ 9
Foreign Tax
Foreign Tax	5.00%
Other Foreign Jurisdictions
Foreign Tax
Foreign Tax	$ 14
Foreign Tax
Foreign Tax	8.00%

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Income Taxes Paid, Net, Percent

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