Intangible Assets Acquired (Detail) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Acquired Finite-Lived Intangible Assets [Line Items]
Amount	$ 219	$ 8,083
Weighted Average Life	5 years	9 years
Technology-based
Acquired Finite-Lived Intangible Assets [Line Items]
Amount	$ 178	$ 2,265
Weighted Average Life	4 years	2 years
Marketing-related
Acquired Finite-Lived Intangible Assets [Line Items]
Amount	$ 14	$ 2,148
Weighted Average Life	5 years	19 years
Contract-based
Acquired Finite-Lived Intangible Assets [Line Items]
Amount	$ 14	$ 63
Weighted Average Life	4 years	6 years
Customer-related
Acquired Finite-Lived Intangible Assets [Line Items]
Amount	$ 13	$ 3,607
Weighted Average Life	5 years	7 years