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Share-Based Compensation - Schedule of Share-Based Compensation Arrangement by Share Based Payment Award Options Outstanding (Detail) - $ / shares
shares in Millions
 12 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]      
Options outstanding at beginning of year, Number of shares 12.5 14.2 14.4
Options granted, Number of shares     3.3
Options exercised, Number of shares (4.3) (1.2) (3.1)
Options canceled or expired, Number of shares   (0.5) (0.4)
Options outstanding at end of year, Number of shares 8.2 12.5 14.2
Options exercisable at end of year, Number of shares 6.7 9.6 7.1
Options vested and expected to vest, Number of shares 8.2 12.5 13.4
Options outstanding at beginning of year, Weighted average exercise price $ 23.49 $ 23.30 $ 21.75
Options granted, Weighted average exercise price     26.52
Options exercised, Weighted average exercise price 21.51 20.17 19.44
Options canceled or expired, Weighted average exercise price 0.00 25.98 24.30
Options outstanding at end of year, Weighted average exercise price 24.52 23.49 23.30
Options exercisable at end of year, Weighted average exercise price 24.04 22.80 21.90
Options vested and expected to vest, Weighted average exercise price $ 24.52 $ 23.49 23.12
Weighted average fair value of options granted during the year     $ 10.04