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Equity - Share-based Payments (Details) - USD ($)
shares in Millions, $ in Millions
12 Months Ended
May 19, 2021
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Share-based compensation expense        
Pre-tax compensation expense   $ 29 $ 23 $ 23
Income tax benefit   (2) (2) (2)
Total share-based compensation expense, net of income taxes   $ 27 21 21
Share-based Payment Arrangement, Disclosure [Abstract]        
Shares authorized under Stock Incentive Plan (in shares)   8.0    
Increase in number of shares available under Stock Incentive Plan (in shares) 2.5      
Shares available for future grants under Stock Incentive Plan (in shares)   3.1    
Stock options        
Share-based compensation expense        
Pre-tax compensation expense   $ 4 3 4
Income tax benefit   0 0 0
Total share-based compensation expense, net of income taxes   4 3 4
Restricted Stock Units ("RSUs") | Employee        
Share-based compensation expense        
Pre-tax compensation expense   13 12 12
Income tax benefit   (1) (1) (1)
Total share-based compensation expense, net of income taxes   12 11 11
Performance shares and other share-based awards        
Share-based compensation expense        
Pre-tax compensation expense   12 8 7
Income tax benefit   (1) (1) (1)
Total share-based compensation expense, net of income taxes   $ 11 $ 7 $ 6