Supplemental Cash Flow Information Related to Leases (Detail) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 1,207	$ 795
Operating cash flows from finance leases	275	149
Financing cash flows from finance leases	802	285
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	1,892	1,804
Finance leases	$ 4,332	$ 1,704