Finite-Lived Intangible Assets (Detail) - USD ($) $ in Millions	Sep. 30, 2018	Jun. 30, 2018
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 16,026	$ 15,936
Accumulated Amortization	(8,447)	(7,883)
Net Carrying Amount	7,579	8,053
Technology-based
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	7,302	7,220
Accumulated Amortization	(5,376)	(5,018)
Net Carrying Amount	1,926	2,202
Customer-related
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	4,032	4,031
Accumulated Amortization	(1,337)	(1,205)
Net Carrying Amount	2,695	2,826
Marketing-related
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	4,012	4,006
Accumulated Amortization	(1,138)	(1,071)
Net Carrying Amount	2,874	2,935
Contract-based
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	680	679
Accumulated Amortization	(596)	(589)
Net Carrying Amount	$ 84	$ 90