Stockholders' Equity (Tables)

12 Months Ended

Jun. 30, 2016

Equity [Abstract]

Summary of Total Number and Value of Shares Repurchased

The total number and value of shares repurchased for the fiscal years ended June 30, 2016, 2015 and 2014 are as follows:

	For the fiscal years ended June 30,
	2016		2015		2014
	(in millions)
Total cost of repurchases	$	39	$	32		—
Total number of shares repurchased		3.1		2.1		—