Revenue - Schedule of Estimated Technology Services and Subscription Revenue Expected to Be Recognized in Future, Related to Unsatisfied Portion of Performance Obligations (Detail 1) - USD ($) $ in Millions	Mar. 31, 2025	Mar. 31, 2024
Technology Services and Subscription Revenue [Member]
Schedule of Technology Services Revenue [line Items]
Revenue, Remaining Performance Obligation	$ 480	$ 303