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Stock-based Compensation Plans (Tables)
 12 Months Ended
Dec. 31, 2021
Share-based Payment Arrangement [Abstract]  
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity The table below presents the status at December 31, 2021 of the share-settled restricted stock and restricted stock units and changes during 2021.
 Stock-settled Restricted Stock and Restricted Stock Units
Shares/UnitsWeighted-
average Grant Date Fair Value
Outstanding at January 1, 2021167,953,229 $30.60 
Granted96,804,487 32.32 
Vested(69,337,350)30.19 
Canceled(10,369,524)32.58 
Outstanding at December 31, 2021185,050,842 31.54