Gains (Losses) on Derivative Instruments Recognized in Other Income (Expense), Net (Detail) - Other Income (Expense), Net - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Foreign Exchange Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gains (Losses) on Derivatives Not Designated as Hedges	$ 381	$ (383)
Equity Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gains (Losses) on Derivatives Not Designated as Hedges	1,579	(348)
Other Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gains (Losses) on Derivatives Not Designated as Hedges	0	24
Fair Value Hedges | Interest Rate Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Derivatives	(1)	20
Hedged items	(8)	(32)
Cash Flow Hedges | Foreign Exchange Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Amount reclassified from accumulated other comprehensive loss	$ (5)	$ 49