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Restructuring Costs - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2023
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 153	$ 111	$ 216
Fiscal 2025 Plan
Restructuring Cost and Reserve [Line Items]
Restructuring costs	130
Amortization of right-of-use assets and interest expense for leased facilities	$ 13

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- Definition

Amount of other expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses associated with a discontinued operation or an asset retirement obligation.

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