Revenue - Schedule of Estimated Investment Advisory, Administration Fees Expected to be Recognized in Future, Related to Unsatisfied Portion of Performance Obligations (Detail 1) - USD ($)
$ in Millions

Mar. 31, 2026

Mar. 31, 2025

Investment Advisory, Administration Fees and Securities Lending Revenue [Member]

Schedule of Investment Advisory Administration Fees and Performance Fees by Type [line Items]

Revenue, Remaining Performance Obligation

^[1],[2]

$ 1,114

$ 1,393

[1]

Investment advisory and administration fees include management fees related to certain private markets products, which are determined based on known contractual committed capital outstanding at March 31, 2026 and 2025. Revenue attributed to future periods could be subject to change due to a change in business activities (e.g., post-investment period) 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.