Additional Financial Information - Components of Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ 9,143	$ 9,146	$ 8,389
Fiscal year activity	23	(329)	390
Ending balance	8,945	9,143	9,146
Net change in the fair value of cash flow hedges, income tax expense (benefit)	4	7	0
Pensions plans, income tax (expense) benefit	2	(19)	1
Foreign currency translation adjustments, fiscal year activity	0	(518)	468
Accumulated Other Comprehensive Loss
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(1,270)	(941)	(1,331)
Ending balance	(1,247)	(1,270)	(941)
Cash flow hedge adjustments:
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	21	0	2
Fiscal year activity	12	21	(2)
Ending balance	33	21	0
Benefit Plan Adjustments:
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(321)	(392)	(394)
Fiscal year activity	(7)	71	2
Ending balance	(328)	(321)	(392)
Foreign currency translation adjustments:
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(970)	(549)	(939)
Fiscal year activity	18	(421)	390
Ending balance	(952)	(970)	(549)
Noncontrolling Interests
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	921	935	807
Ending balance	881	921	935
Foreign currency translation adjustments, fiscal year activity	$ (18)	$ (97)	$ 78