Changes in Restructuring Liability (Detail) $ in Millions	9 Months Ended
	Mar. 31, 2018 USD ($)
Restructuring Cost and Reserve [Line Items]
Balance, beginning of period	$ 432
Restructuring charges	0
Cash paid	(397)
Other	(7)
Balance, end of period	28
Severance
Restructuring Cost and Reserve [Line Items]
Balance, beginning of period	373
Restructuring charges	0
Cash paid	(373)
Other	0
Balance, end of period	0
Other
Restructuring Cost and Reserve [Line Items]
Balance, beginning of period	59	[1]
Restructuring charges	0	[1]
Cash paid	(24)	[1]
Other	(7)	[1]
Balance, end of period	$ 28	[1]

[1] Primarily reflects activities associated with the consolidation of our phone facilities, manufacturing operations, and contract termination costs.