Revenues - Summary of Deferred Revenue from Contract with Customers (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Contract with Customer, Liability [Roll Forward]
Balance, beginning of period	$ 467	$ 409	$ 473	$ 398
Deferral of revenue	859	755	1,674	1,462
Recognition of deferred revenue	(864)	(779)	(1,678)	(1,480)
Other	0	15	(7)	20
Balance, end of period	462	400	462	400
Deferred Revenue
Contract with Customer, Liability [Roll Forward]
Deferred revenue recognized	$ 182	$ 237	$ 372	$ 331