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Available-for-Sale Securities
 12 Months Ended
Jun. 30, 2014
Investments, Debt and Equity Securities [Abstract]  
Available-for-Sale Securities Disclosure
Available-for-Sale Securities
During fiscal 2014, we purchased marketable securities, which are classified as available-for-sale and are carried at fair value in the consolidated balance sheets. We held the following investments in marketable securities at fair value at June 30:
(in millions)
2014
Current available-for-sale securities:
 
Commercial paper
$
4

Treasury bills
85

International bonds
1

Corporate bonds
3

Total current available-for-sale securities
93

 
 
Long-term available-for-sale securities:
 
Corporate bonds
5

U.S. agency bonds
2

Total long-term available-for-sale securities
7

Total available-for-sale securities
$
100


Gross unrealized gains and losses were immaterial at June 30, 2014. We did not recognize any other-than-temporary impairments during fiscal 2014. At June 30, 2014, the weighted-average effective maturity of our current and long-term investments was approximately 11 months and 21 months, respectively.