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Restructuring, Impairment, and Related Charges, Net - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2022
Restructuring Cost and Reserve [Line Items]
Restructuring, impairment, and related charges, net	$ 115	$ 209	$ 281
Restructuring charges	115	209	245
Long-lived asset impairment charges, before tax	0	0	36
Strategic Growth Initiative Plan - Operational Efficiencies and Cost Optimization
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 45	$ 60
Restructuring Plan, Remote Work Transitioning
Restructuring Cost and Reserve [Line Items]
Restructuring charges			$ 124

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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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