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Pension Benefits - Schedule of Other Changes in Accumulated Other Comprehensive Income (Details) - Pension Plans, Defined Benefit - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Net actuarial loss (gain)	$ 0	$ 0	$ (3)
Amortization of:
Net actuarial loss	0	0	(129)
Prior service credit (cost)	0	0	0
Foreign exchange impact and other	0	0	0
Total recognized in other comprehensive loss (income)	0	0	(132)
Non-U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Net actuarial loss (gain)	(32)	(9)	(24)
Amortization of:
Net actuarial loss	(14)	(35)	(6)
Prior service credit (cost)	1	1	0
Foreign exchange impact and other	(5)	15	(6)
Total recognized in other comprehensive loss (income)	$ (50)	$ (28)	$ (36)

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Other Comprehensive Income Defined Benefit Plans Net Translation Gain Loss Arising During Period Before Tax

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Amount, before tax, of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) of defined benefit plan.

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