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Stockholders' Equity (Tables)
 12 Months Ended
Dec. 31, 2023
Equity [Abstract]  
Class of treasury stock
The table below summarizes the shares of the Company's Common Stock repurchased and the cost of the shares, which were recorded as Treasury Stock.
Year Ended December 31,
(In millions)202320222021
Number of shares2.9 3.3 3.0 
Total cost of shares$2,214.6 $2,099.8 $1,655.0