Dividends Declared (Detail) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
Sep. 30, 2025	Sep. 30, 2024
Dividends Payable [Line Items]
Dividend Per Share	$ 0.91	$ 0.83
Amount	$ 6,765	$ 6,170
O2026Q1 Dividends
Dividends Payable [Line Items]
Declaration Date	Sep. 15, 2025
Record Date	Nov. 20, 2025
Payment Date	Dec. 11, 2025
O2025Q1 Dividends
Dividends Payable [Line Items]
Declaration Date		Sep. 16, 2024
Record Date		Nov. 21, 2024
Payment Date		Dec. 12, 2024

Aggregate dividends declared during the period for each share of common stock outstanding.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1

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Date the declared dividend will be paid, in YYYY-MM-DD format.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482913/230-10-50-3

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Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.

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Date the dividend to be paid was declared, in YYYY-MM-DD format.

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Date the holder must own the stock to be entitled to the dividend, in YYYY-MM-DD format.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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