Finite-Lived Intangible Assets (Detail) - USD ($) $ in Millions		Mar. 31, 2018	Jun. 30, 2017
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount		$ 15,916	$ 16,667
Accumulated Amortization		(7,372)	(6,561)
Net Carrying Amount		8,544	10,106
Technology-based
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	[1]	7,183	7,765
Accumulated Amortization	[1]	(4,690)	(4,318)
Net Carrying Amount	[1]	2,493	3,447
Customer-related
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount		4,035	4,045
Accumulated Amortization		(1,073)	(692)
Net Carrying Amount		2,962	3,353
Marketing-related
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount		4,031	4,016
Accumulated Amortization		(1,025)	(829)
Net Carrying Amount		3,006	3,187
Contract-based
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount		667	841
Accumulated Amortization		(584)	(722)
Net Carrying Amount		$ 83	$ 119

[1] Technology-based intangible assets included $19 million and $59 million of net carrying amount of software to be sold, leased, or otherwise marketed as of March 31, 2018 and June 30, 2017, respectively.