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Share-Based Compensation (Summary of Option Activity) (Details)
shares in Millions
6 Months Ended
Dec. 31, 2022
shares
Number of Options Outstanding  
Beginning balance (shares) 10.0
Granted (shares) 1.1
Exercised (shares) (0.6)
Forfeited or expired (shares) (0.9)
Ending balance (shares) 9.6