Maturities of Lease Liabilities (Detail) - USD ($) $ in Millions	Sep. 30, 2024	Jun. 30, 2024
Leases [Abstract]
Operating Leases, Year Ending June 30, 2025 (excluding the three months ended September 30, 2024)	$ 3,386
Operating Leases, Year Ending June 30, 2026	4,122
Operating Leases, Year Ending June 30, 2027	3,411
Operating Leases, Year Ending June 30, 2028	2,754
Operating Leases, Year Ending June 30, 2029	2,124
Operating Leases, Thereafter	7,174
Operating Leases, Total lease payments	22,971
Operating Leases, Less imputed interest	(2,601)
Operating Leases	20,370	$ 19,077
Finance Leases, Year Ending June 30, 2025 (excluding the three months ended September 30, 2024)	2,742
Finance Leases, Year Ending June 30, 2026	3,697
Finance Leases, Year Ending June 30, 2027	3,720
Finance Leases, Year Ending June 30, 2028	3,706
Finance Leases, Year Ending June 30, 2029	3,099
Finance Leases, Thereafter	22,745
Finance Leases, Total lease payments	39,709
Finance Leases, Less imputed interest	(8,358)
Finance Leases	$ 31,351	$ 27,145