Supplemental Cash Flow Information Related to Leases (Detail) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 2,368	$ 2,052	$ 1,829
Operating cash flows from finance leases	429	386	336
Financing cash flows from finance leases	896	648	409
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	5,268	4,380	3,677
Finance leases	$ 4,234	$ 3,290	$ 3,467