Supplemental Balance Sheet Information Related to Leases (Detail) - USD ($) $ in Millions	Dec. 31, 2019	Jun. 30, 2019
Operating Leases
Operating lease right-of-use assets	$ 8,439	$ 7,379
Total operating lease liabilities	8,788	7,703
Finance Leases
Accumulated depreciation	(39,597)	(35,330)
Property and equipment, net	40,522	36,477
Total finance lease liabilities	$ 8,751	$ 6,574
Weighted Average Remaining Lease Term
Operating leases	7 years	7 years
Finance leases	13 years	13 years
Weighted Average Discount Rate
Operating leases	2.80%	3.00%
Finance leases	4.10%	4.60%
Finance Lease
Finance Leases
Property and equipment, at cost	$ 9,403	$ 7,041
Accumulated depreciation	(1,062)	(774)
Property and equipment, net	8,341	6,267
Other Current Liabilities
Operating Leases
Total operating lease liabilities	1,616	1,515
Finance Leases
Total finance lease liabilities	464	317
Operating Lease Liabilities
Operating Leases
Total operating lease liabilities	7,172	6,188
Other Long-term Liabilities
Finance Leases
Total finance lease liabilities	$ 8,287	$ 6,257