Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.3
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, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Numerator:        
Net Income available to common stockholders for basic net income per common share $ 246 $ 343 $ 671 $ 925
Effect of interest on assumed conversions of convertible debt, net of tax 2 0 5 0
Net Income available to common stockholders for dilutive net income per common share $ 248 $ 343 $ 676 $ 925
Denominator:        
Weighted average common shares outstanding for basic net income per common share (in shares) 4,450 4,474 4,529 4,482
Weighted average impact of assumed Convertible Senior Notes conversion (in shares) 29 0 28 0
Weighted average impact of dilutive equity instruments 85 100 84 104
Weighted average shares for diluted net income per common share (in shares) 4,564 4,574 4,641 4,586
Net income per common share:        
Basic (in dollars per share) $ 0.06 $ 0.08 $ 0.15 $ 0.21
Diluted (in dollars per share) $ 0.05 $ 0.07 $ 0.15 $ 0.20