Quarterly report pursuant to Section 13 or 15(d)

Earnings per Share - Schedule of Earnings Per Share (Details)

v3.21.2
Earnings per Share - Schedule of Earnings Per Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Numerator:        
Net Income available to common stockholders for basic net income per common share $ 343 $ 272 $ 995 $ 808
Effect of interest on assumed conversions of convertible notes, net of tax 2 2 6 6
Net Income available to common stockholders for dilutive net income per common share $ 345 $ 274 $ 1,001 $ 814
Denominator:        
Weighted average common shares outstanding for basic net income per common share (in shares) 4,044 4,326 4,086 4,367
Weighted average impact of assumed convertible notes (in shares) 30 29 30 29
Weighted average impact of dilutive equity instruments (in shares) 45 60 54 69
Weighted average shares for diluted net income per common share (in shares) 4,119 4,415 4,170 4,465
Net income per common share:        
Basic (in USD per share) $ 0.08 $ 0.06 $ 0.24 $ 0.19
Diluted (in USD per share) $ 0.08 $ 0.06 $ 0.24 $ 0.18