Deferred Income Tax Assets and Liabilities (Detail) - USD ($) $ in Millions	Jun. 30, 2017	Jun. 30, 2016
Deferred Income Tax Assets
Stock-based compensation expense	$ 777	$ 809
Other expense items	1,550	1,609
Restructuring charges	66	284
Unearned revenue	1,889	494
Impaired investments	59	226
Loss carryforwards	4,809	4,252
Depreciation and amortization	53	115
Other revenue items	130	89
Deferred income tax assets	9,333	7,878
Less valuation allowance	(3,310)	(4,729)
Deferred income tax assets, net of valuation allowance	6,023	3,149
Deferred Income Tax Liabilities
Foreign earnings	(1,107)	(1,242)
Unrealized gain on investments and debt	(1,384)	(2,102)
Depreciation and amortization	(1,630)	(1,008)
Other	(21)	(54)
Deferred income tax liabilities	(4,142)	(4,406)
Net deferred income tax assets	1,881
Net deferred income tax liabilities		(1,257)
Other Long-term Assets
Deferred Income Tax Liabilities
Net deferred income tax assets	2,412	219
Long-term Deferred Income Tax Liabilities
Deferred Income Tax Liabilities
Net deferred income tax liabilities	$ (531)	$ (1,476)