Pension Benefits - Schedule of Net Periodic Expense for Pension Plans (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]
Service cost - benefits earned during the year	$ 0	$ 0	$ 0
Interest cost on projected benefit obligation	0	0	6
Expected return on assets	0	0	(4)
Amortization of unrecognized actuarial loss and prior service costs	0	0	2
Curtailment/settlement loss (gain)	0	0	127
Net periodic pension expense	0	0	131
Non-U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost - benefits earned during the year	11	15	16
Interest cost on projected benefit obligation	14	19	19
Expected return on assets	(19)	(20)	(22)
Amortization of unrecognized actuarial loss and prior service costs	3	5	6
Curtailment/settlement loss (gain)	(5)	0	0
Net periodic pension expense	$ 4	$ 19	$ 19