Finite-Lived Intangible Assets (Detail) - USD ($) $ in Millions		Dec. 31, 2017	Jun. 30, 2017
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount		$ 15,841	$ 16,667
Accumulated Amortization		(6,807)	(6,561)
Net Carrying Amount		9,034	10,106
Technology-based
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	[1]	7,126	7,765
Accumulated Amortization	[1]	(4,334)	(4,318)
Net Carrying Amount	[1]	2,792	3,447
Customer-related
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount		4,022	4,045
Accumulated Amortization		(937)	(692)
Net Carrying Amount		3,085	3,353
Marketing-related
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount		4,027	4,016
Accumulated Amortization		(958)	(829)
Net Carrying Amount		3,069	3,187
Contract-based
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount		666	841
Accumulated Amortization		(578)	(722)
Net Carrying Amount		$ 88	$ 119

[1] Technology-based intangible assets included $32 million and $59 million of net carrying amount of software to be sold, leased, or otherwise marketed as of December 31, 2017 and June 30, 2017, respectively.