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Stockholders' Equity (Schedule of Dividend Increases) (Details) - USD ($)
$ / shares in Units, $ in Millions
Oct. 20, 2021
Sep. 30, 2021
Dec. 31, 2020
Class of Stock [Line Items]      
Common stock, par value (in dollars per share)   $ 0.0001 $ 0.0001
Subsequent Event      
Class of Stock [Line Items]      
Common Stock, Dividends, Per Share, Declared $ 0.68    
Dividends, Common Stock, Cash $ 74