Maturities of Lease Liabilities (Detail) - USD ($) $ in Millions	Mar. 31, 2023	Jun. 30, 2022
Leases [Abstract]
Operating Leases, Year Ending June 30, 2023 (excluding the nine month ended March 31, 2023)	$ 683
Operating Leases, Year Ending June 30, 2024	2,625
Operating Leases, Year Ending June 30, 2025	2,334
Operating Leases, Year Ending June 30, 2026	1,964
Operating Leases, Year Ending June 30, 2027	1,646
Operating Leases, Thereafter	7,175
Operating Leases, Total lease payments	16,427
Operating Leases, Less imputed interest	(1,788)
Operating Leases	14,639	$ 13,717
Finance Leases, Year Ending June 30, 2023 (excluding the nine month ended March 31, 2023)	413
Finance Leases, Year Ending June 30, 2024	1,706
Finance Leases, Year Ending June 30, 2025	2,025
Finance Leases, Year Ending June 30, 2026	1,710
Finance Leases, Year Ending June 30, 2027	1,720
Finance Leases, Thereafter	12,395
Finance Leases, Total lease payments	19,969
Finance Leases, Less imputed interest	(3,506)
Finance Leases	$ 16,463	$ 14,902