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Share-Based Compensation (Summary of PSU Activity) (Details) - PSUs - $ / shares
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
One-Year Program      
Number of Awards      
Unvested balances at beginning of period (in shares) 149,202 508,644 951,753
Granted (in shares) 0 0 80,340
Vested (in shares) (142,459) (299,292) (415,269)
Forfeited (in shares) (6,743) (60,150) (108,180)
Unvested balances at end of period (in shares) 0 149,202 508,644
Weighted-Average Grant Date Fair Value      
Unvested balances at beginning of period (in dollars per share) $ 28.01 $ 27.78 $ 26.96
Granted (in dollars per share) 0 0 28.06
Vested (in dollars per share) 28.02 27.66 26.03
Forfeited (in dollars per share) 27.85 27.76 27.47
Unvested balances at end of period (in dollars per share) $ 0 $ 28.01 $ 27.78
Three-Year Program      
Number of Awards      
Unvested balances at beginning of period (in shares) 2,292,372 2,429,967 2,392,353
Granted (in shares) 1,495,092 1,081,707 960,984
Vested (in shares) (1,735,842) (1,178,181) (902,301)
Forfeited (in shares) (85,080) (41,121) (21,069)
Unvested balances at end of period (in shares) 1,966,542 2,292,372 2,429,967
Weighted-Average Grant Date Fair Value      
Unvested balances at beginning of period (in dollars per share) $ 45.01 $ 36.04 $ 32.77
Granted (in dollars per share) 45.66 58.66 35.81
Vested (in dollars per share) 32.57 38.95 27.19
Forfeited (in dollars per share) 52.27 47.43 32.75
Unvested balances at end of period (in dollars per share) $ 56.44 $ 45.01 $ 36.04