Deferred Income Tax Assets and Liabilities (Detail) - USD ($) $ in Millions	Jun. 30, 2021	Jun. 30, 2020
Deferred Income Tax Assets
Stock-based compensation expense	$ 502	$ 461
Accruals, reserves, and other expenses	2,960	2,721
Loss and credit carryforwards	1,090	865
Amortization	6,346	6,737
Leasing liabilities	4,060	3,025
Unearned revenue	2,659	1,553
Other	543	354
Deferred income tax assets	18,160	15,716
Less valuation allowance	(769)	(755)
Deferred income tax assets, net of valuation allowance	17,391	14,961
Deferred Income Tax Liabilities
Book/tax basis differences in investments and debt	(2,605)	(2,642)
Leasing assets	(3,834)	(2,817)
Depreciation	(1,010)	(376)
Deferred GILTI tax liabilities	(2,815)	(2,581)
Other	(144)	(344)
Deferred income tax liabilities	(10,408)	(8,760)
Net deferred income tax assets	6,983	6,201
Long-term deferred income tax liabilities	(198)	(204)
Other Long-term Assets
Deferred Income Tax Liabilities
Other long-term assets	$ 7,181	$ 6,405