Share-Based Compensation - Schedule of Weighted-Average Assumptions Used to Estimate Fair Value of RSUs and PSUs (Details) - RSUs and PSUs	12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected stock price volatility	24.00%	34.00%	35.00%
Expected dividend yield	0.60%	0.60%	0.90%
Risk-free interest rate	3.90%	2.70%	0.30%
Expected life (in years)	3 years	3 years	3 years