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, 2026

Mar. 31, 2025

Technology Services and Subscription Revenue [Member]

Schedule of Technology Services Revenue [line Items]

Revenue, Remaining Performance Obligation

^[1],[2]

$ 509

$ 480

[1]	Technology services and subscription revenue includes upfront payments from customers, which the Company recognizes as services are performed. Revenue attributed to future periods could be subject to change due to a change in business activities and actual amounts could differ from amounts disclosed.
[2]	The Company elected practical expedients to exclude amounts related to (a) performance obligations with an original duration of one year or less, and (b) variable consideration related to future service periods.