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Changes in Gross Unrecognized Tax Benefits Related to Uncertain Tax Positions (Detail) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Income Tax Disclosure [Abstract]
Beginning unrecognized tax benefits	$ 13,146	$ 11,961	$ 11,737
Decreases related to settlements	(31)	(316)	(193)
Increases for tax positions related to the current year	647	2,106	1,445
Increases for tax positions related to prior years	366	508	151
Decreases for tax positions related to prior years	(331)	(1,113)	(1,176)
Decreases due to lapsed statutes of limitations	(5)	0	(3)
Ending unrecognized tax benefits	$ 13,792	$ 13,146	$ 11,961

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Amount of unrecognized tax benefits.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 45
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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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