Finite-Lived Intangible Assets (Detail) - USD ($) $ in Millions		Sep. 30, 2017	Jun. 30, 2017
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount		$ 16,741	$ 16,667
Accumulated Amortization		(7,143)	(6,561)
Net Carrying Amount		9,598	10,106
Technology-based
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	[1]	7,833	7,765
Accumulated Amortization	[1]	(4,686)	(4,318)
Net Carrying Amount	[1]	3,147	3,447
Marketing-related
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount		4,040	4,016
Accumulated Amortization		(902)	(829)
Net Carrying Amount		3,138	3,187
Contract-based
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount		819	841
Accumulated Amortization		(725)	(722)
Net Carrying Amount		94	119
Customer-related
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount		4,049	4,045
Accumulated Amortization		(830)	(692)
Net Carrying Amount		$ 3,219	$ 3,353

[1] Technology-based intangible assets included $46 million and $59 million of net carrying amount of software to be sold, leased, or otherwise marketed as of September 30, 2017 and June 30, 2017, respectively.