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Capital Structure - Changes in Common Shares issued and Outstanding (Details) - shares
2 Months Ended 12 Months Ended 14 Months Ended
Feb. 24, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Feb. 24, 2022
Capital Structure            
Preferred stock, shares authorized (in shares)   10,000,000 10,000,000 10,000,000 10,000,000  
Common stock, shares authorized (in shares)   500,000,000 500,000,000 500,000,000 500,000,000  
Increase (Decrease) in Stockholders' Equity (in shares)            
Beginning balance, common shares issued (in shares) 423,547,174 423,057,848       423,057,848
Beginning balance, treasury shares (in shares) (179,793,275) (178,825,915)       (178,825,915)
Beginning balance, common shares outstanding (in shares) 243,753,899 244,231,933       244,231,933
Share repurchases (in shares)   (1,084,752) (6,062,783) (36,301,882)    
Ending balance, common shares issued (in shares)   423,547,174 423,057,848      
Ending balance, treasury shares (in shares)   (179,793,275) (178,825,915)      
Ending balance, common shares outstanding (in shares)   243,753,899 244,231,933      
Equivalent shares purchased in lieu of tax withholding on equity compensation issuances            
Increase (Decrease) in Stockholders' Equity (in shares)            
Share repurchases (in shares)   (249,013) (711,248) (936,928)    
Subsequent Event            
Increase (Decrease) in Stockholders' Equity (in shares)            
Share repurchases (in shares) (1,889,151)          
Subsequent Event | Equivalent shares purchased in lieu of tax withholding on equity compensation issuances            
Increase (Decrease) in Stockholders' Equity (in shares)            
Share repurchases (in shares) (130,674)          
Common Stock            
Increase (Decrease) in Stockholders' Equity (in shares)            
Beginning balance, common shares issued (in shares) 423,547,174 423,057,848 421,890,790 420,288,886   423,057,848
Beginning balance, common shares outstanding (in shares) 243,753,899 244,231,933 248,996,189 283,650,039   244,231,933
Shares issued under ESPP (in shares)   117,392 131,469 46,128    
Shares issued from LTIP (in shares)   489,326 1,167,058 1,601,904    
Ending balance, common shares issued (in shares)   423,547,174 423,057,848 421,890,790 420,288,886  
Ending balance, common shares outstanding (in shares)   243,753,899 244,231,933 248,996,189 283,650,039  
Common Stock | Subsequent Event            
Increase (Decrease) in Stockholders' Equity (in shares)            
Shares issued from LTIP (in shares) 288,491          
Ending balance, common shares issued (in shares) 423,835,665         423,835,665
Ending balance, common shares outstanding (in shares) 242,153,239         242,153,239
Treasury Stock            
Increase (Decrease) in Stockholders' Equity (in shares)            
Beginning balance, treasury shares (in shares) (179,793,275) (178,825,915) (172,894,601) (136,638,847)   (178,825,915)
Shares issued under ESPP (in shares)   117,392 131,469 46,128    
Shares issued from LTIP (in shares)   0 0 0    
Share repurchases (in shares)   (1,084,752) (6,062,783) (36,301,882)    
Ending balance, treasury shares (in shares)   (179,793,275) (178,825,915) (172,894,601) (136,638,847)  
Treasury Stock | Subsequent Event            
Increase (Decrease) in Stockholders' Equity (in shares)            
Shares issued from LTIP (in shares) 0          
Share repurchases (in shares) (1,889,151)          
Ending balance, treasury shares (in shares) (181,682,426)         (181,682,426)