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Derivatives And Hedging Activities Cash Flow Hedges (Details) lb in Thousands, € in Millions, ¥ in Millions, zł in Millions, $ in Millions, $ in Millions	12 Months Ended
	Mar. 31, 2024 USD ($)	Mar. 31, 2023 USD ($)	Mar. 31, 2022 USD ($) lb	Mar. 31, 2022 MXN ($) lb	Mar. 31, 2022 CNY (¥) lb	Mar. 31, 2022 EUR (€) lb	Mar. 31, 2022 PLN (zł) lb
Derivative [Line Items]
Net derivative gains (losses) included in accumulated other comprehensive income, before tax			$ (61)
AOCI, Cash Flow Hedge, Cumulative Gain (Loss), after Tax			$ (61)
Cash Flow Hedging | Copper
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount | lb			87,603	87,603	87,603	87,603	87,603
Derivative, Notional Amount			$ 405
Cash Flow Hedging | Foreign currency derivatives | Mexican Peso
Derivative [Line Items]
Derivative, Notional Amount			855	$ 17,116
Cash Flow Hedging | Foreign currency derivatives | Chinese Yuan Renminbi
Derivative [Line Items]
Derivative, Notional Amount			500		¥ 3,179
Cash Flow Hedging | Foreign currency derivatives | Polish Zloty
Derivative [Line Items]
Derivative, Notional Amount			140				zł 587
Cash Flow Hedging | Foreign currency derivatives | Euro Member Countries, Euro
Derivative [Line Items]
Derivative, Notional Amount			225			€ 205
Cash Flow Hedging | Foreign currency derivatives | Hungary, Forint
Derivative [Line Items]
Derivative, Notional Amount			$ 60				zł 20,326
Forecast [Member] | Cost of Sales [Member]
Derivative [Line Items]
Derivative Instruments, (Gain) Loss Reclassified from Accumulated OCI into Income, Effective Portion	$ 13	$ 48

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