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Share-Based Compensation (Schedule of Total Share-Based Compensation Expense by Type of Award) (Details) - USD ($)
$ in Millions
12 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Total share-based compensation expense from continuing operations $ 111 $ 110 $ 96
Restricted Share Unit      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Total share-based compensation expense from continuing operations 69 69 62
Employee Stock Option      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Total share-based compensation expense from continuing operations 21 21 21
Performance Share Unit      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Total share-based compensation expense from continuing operations $ 21 $ 20 $ 13