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Computation of EPS
 3 Months Ended
Mar. 31, 2021
Earnings Per Share [Abstract]  
Computation of EPS Computation of EPS
Basic and diluted EPS calculations are presented in the following table:
Three Months Ended March 31,
(Dollars in millions, except per share data, shares in thousands)		20212020
Net income available to common shareholders$1,334 $986 
Weighted average number of common shares1,345,666 1,344,372 
Effect of dilutive outstanding equity-based awards13,266 13,173 
Weighted average number of diluted common shares1,358,932 1,357,545 
Basic EPS$0.99 $0.73 
Diluted EPS$0.98 $0.73 
Anti-dilutive awards376 1,725