Finite-Lived Intangible Assets (Detail) - USD ($) $ in Millions	Sep. 30, 2025	Jun. 30, 2025
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 43,652	$ 43,557
Accumulated Amortization	(22,416)	(20,953)
Net Carrying Amount	21,236	22,604
Marketing-related
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	16,502	16,502
Accumulated Amortization	(4,101)	(3,901)
Net Carrying Amount	12,401	12,601
Technology-based
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	22,642	22,560
Accumulated Amortization	(16,056)	(14,959)
Net Carrying Amount	6,586	7,601
Customer-related
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	4,278	4,278
Accumulated Amortization	(2,204)	(2,050)
Net Carrying Amount	2,074	2,228
Contract-based
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	230	217
Accumulated Amortization	(55)	(43)
Net Carrying Amount	$ 175	$ 174