Components of Lease Expense (Detail) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Leases [Abstract]
Operating lease cost	$ 2,461	$ 2,127	$ 2,043
Finance lease cost:
Amortization of right-of-use assets	980	921	611
Interest on lease liabilities	429	386	336
Total finance lease cost	$ 1,409	$ 1,307	$ 947