Equity - Narrative (Details) - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2023	Aug. 21, 2025	Oct. 22, 2014
Capital Unit [Line Items]
Number of shares authorized for repurchase (in shares)					35.0
Repurchased (in shares)	2.5	0.4	0.7
Shares purchased at cost	$ 1,600	$ 200	$ 200
Number of shares available under repurchase authorization (in shares)	4.8
Subsequent Event
Capital Unit [Line Items]
Number of shares authorized for repurchase (in shares)				20.0