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Computation of EPS (Tables)
 12 Months Ended
Dec. 31, 2021
Earnings Per Share [Abstract]  
Schedule of Basic and Diluted EPS Basic and diluted EPS calculations are presented in the following table:
Year Ended December 31,
(Dollars in millions, except per share data, shares in thousands)		202120202019
Net income available to common shareholders$6,033 $4,184 $3,028 
Weighted average number of common shares1,337,144 1,347,080 805,104 
Effect of dilutive outstanding equity-based awards12,234 11,209 10,100 
Weighted average number of diluted common shares1,349,378 1,358,289 815,204 
Basic EPS$4.51 $3.11 $3.76 
Diluted EPS$4.47 $3.08 $3.71 
Anti-dilutive awards3 16 4