Income Taxes - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
Sep. 30, 2023	Sep. 30, 2022	Jun. 30, 2023
Income Taxes [Line Items]
Effective tax rate	18.00%	19.00%
Long-term income taxes	$ 22,983		$ 25,560
Unrecognized Tax Benefits and Other Income Tax Liabilities
Income Taxes [Line Items]
Long-term income taxes	$ 19,800		$ 18,700

Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all domestic and foreign income tax obligations due beyond one year or the operating cycle, whichever is longer. Alternate captions include income taxes payable, noncurrent.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(24))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(15)(1))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant