Equity-Based Compensation - Summary of Activity from Continuing and Discontinued Operations Related to Target PSUs and RSUs Settled in Shares (Detail) - $ / shares shares in Thousands		12 Months Ended
		Jun. 30, 2018		Jun. 30, 2017		Jun. 30, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Number of shares, Unvested units at beginning of the year		8,652	[1]	7,773	[1]	8,355
Number of shares, Granted	[2]	3,510		4,502		3,472
Number of shares, Vested	[3]	(1,467)		(2,387)		(1,913)
Number of shares, Cancelled	[4]	(1,354)		(1,236)		(2,141)
Number of shares, Unvested units at the end of the year	[1]	9,341		8,652		7,773
Weighted average grant-date fair value, Unvested units at beginning of the year		$ 15.57	[1]	$ 17.34	[1]	$ 16.77
Weighted average grant-date fair value, Granted	[2]	13.47		14.69		15.51
Weighted average grant-date fair value, Vested	[3]	16.70		18.38		13.56
Weighted average grant-date fair value, Cancelled	[4]	16.04		17.08		15.76
Weighted average grant-date fair value, Unvested units at the end of the year	[1]	$ 14.54		$ 15.57		$ 17.34

[1] The intrinsic value of these unvested RSUs and target PSUs was approximately $145 million as of June 30, 2018.

[2] For fiscal 2018, includes 3.2 million target PSUs and 0.3 million RSUs granted. For fiscal 2017, includes 4.1 million target PSUs and 0.4 million RSUs granted. For fiscal 2016, includes 3.0 million target PSUs and 0.3 million RSUs granted and a payout adjustment of 0.2 million PSUs due to the actual performance level achieved for PSUs granted in fiscal 2013 that vested during fiscal 2016.

[3] The fair value of PSUs and RSUs held by the Company's employees that vested during the fiscal years ended June 30, 2018, 2017 and 2016 was $25 million, $44 million and $26 million, respectively.

[4] For fiscal 2018, includes 0.6 million of target PSUs and 0.1 million RSUs cancelled and a payout adjustment of 0.7 million PSUs due to the actual performance level achieved for PSUs granted in fiscal 2015 that vested during fiscal 2018. For fiscal 2017, includes 0.7 million of target PSUs and 0.1 million RSUs cancelled and a payout adjustment of 0.4 million PSUs due to the actual performance level achieved for PSUs granted in fiscal 2014 that vested during fiscal 2017. For fiscal 2016, includes 0.8 million of target PSUs and 0.3 million RSUs cancelled and a payout adjustment of 1.0 million PSUs due to the actual performance level achieved for PSUs granted in fiscal 2013 that vested during fiscal 2016.