Revenues - Summary of Changes in the Deferred Revenue Balance (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Contract with Customer, Liability [Roll Forward]
Balance, beginning of period	$ 624	$ 592	$ 622	$ 604
Deferral of revenue	806	893	1,743	1,790
Recognition of deferred revenue	(930)	(917)	(1,859)	(1,813)
Other	10	23	4	10
Balance, end of period	510	591	510	591
Deferred Revenue
Contract with Customer, Liability [Roll Forward]
Deferred revenue recognized	$ 330	$ 320	$ 499	$ 490