Gains (Losses) on Derivative Instruments Recognized in Other Income (Expense), Net (Detail) - Other Income (Expense), Net - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Foreign Exchange Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gains (Losses) on Derivatives Not Designated as Hedges	$ 1,138	$ (334)	$ 755	$ (128)
Equity Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gains (Losses) on Derivatives Not Designated as Hedges	(111)	(287)	(459)	(174)
Other Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gains (Losses) on Derivatives Not Designated as Hedges	(26)	36	(2)	3
Fair Value Hedges \| Interest Rate Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Derivatives	(18)	22	2	6
Hedged items	8	(34)	(24)	(31)
Cash Flow Hedges \| Foreign Exchange Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Amount reclassified from accumulated other comprehensive loss	$ (106)	$ 51	$ (57)	$ 5

Amount of gain (loss) from the increase (decrease) in fair value of derivative and nonderivative instruments designated as fair value hedging instruments recognized in the income statement.

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Amount of the increase (decrease) in fair value of the hedged item in a fair value hedge recognized in the income statement.

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Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

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Amount, before tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

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