Finite-Lived Intangible Assets (Detail) - USD ($) $ in Millions	Sep. 30, 2020	Jun. 30, 2020
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 18,027	$ 17,759
Accumulated Amortization	(11,104)	(10,721)
Net Carrying Amount	6,923	7,038
Technology-based
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	8,327	8,160
Accumulated Amortization	(6,527)	(6,381)
Net Carrying Amount	1,800	1,779
Customer-related
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	5,066	4,967
Accumulated Amortization	(2,482)	(2,320)
Net Carrying Amount	2,584	2,647
Marketing-related
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	4,159	4,158
Accumulated Amortization	(1,655)	(1,588)
Net Carrying Amount	2,504	2,570
Contract-based
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	475	474
Accumulated Amortization	(440)	(432)
Net Carrying Amount	$ 35	$ 42