Finite-Lived Intangible Assets (Detail) - USD ($) $ in Millions	Mar. 31, 2019		Jun. 30, 2018
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 17,077	[1]	$ 15,936
Accumulated Amortization	(8,974)		(7,883)
Net Carrying Amount	8,103		8,053
Technology-based
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	7,612		7,220
Accumulated Amortization	(5,574)		(5,018)
Net Carrying Amount	2,038		2,202
Customer-related
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	4,709		4,031
Accumulated Amortization	(1,635)		(1,205)
Net Carrying Amount	3,074		2,826
Marketing-related
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	4,181		4,006
Accumulated Amortization	(1,266)		(1,071)
Net Carrying Amount	2,915		2,935
Contract-based
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	575		679
Accumulated Amortization	(499)		(589)
Net Carrying Amount	$ 76		$ 90

[1] Includes intangible assets of $1.3 billion related to GitHub. See Note 7 – Business Combinations for further information.