v3.22.4
Share-Based Compensation (Narrative) (Details)
$ in Millions
3 Months Ended 6 Months Ended
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Tax benefit related to share-based compensation $ 3 $ 2 $ 6    
Restricted Share Units          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Award vesting period (in years)     3 years    
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount 108   $ 108    
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition     2 years    
Performance Share Units          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting Period in years for Shares     3    
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount $ 41   $ 41    
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition     2 years    
Performance Share Units | Minimum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Target performance goal (as a percent)     0.00%   0.00%
Performance Share Units | Maximum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Target performance goal (as a percent)     234.00% 240.00% 240.00%