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Shareholders' Equity - Narrative (Details) - October Twenty Six Two Thousand Ten Program - USD ($)
$ in Millions
Dec. 31, 2021
Oct. 31, 2018
Oct. 26, 2010
Equity, Class of Treasury Stock [Line Items]      
Stock Repurchase Program, Authorized Amount   $ 1,000.0 $ 4,400.0
Stock Repurchase Program, Remaining Authorized Repurchase Amount $ 647.5