Income Taxes - Schedule of Components of Provision for Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Income Tax Provision, Continuing Operations [Abstract]
Federal	$ 127	$ 88	$ 181
State, local and other	35	31	2
Total current	162	119	183
Deferred	321	342	534
Provision for income taxes	$ 483	$ 461	$ 717