Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.1
Earnings per Share - Schedule of Earnings Per Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Numerator:    
Net Income available to common stockholders for basic net income per common share $ 162 $ 289
Effect of interest on assumed conversions of convertible debt, net of tax 1 0
Net Income available to common stockholders for dilutive net income per common share $ 163 $ 289
Denominator:    
Weighted average common shares outstanding for basic net income per common share (in shares) 4,571 4,491
Weighted average impact of assumed Convertible Senior Notes conversion (in shares) 25 0
Weighted average impact of dilutive equity instruments 82 95
Weighted average shares for diluted net income per common share (in shares) 4,678 4,586
Net income per common share:    
Basic (in dollars per share) $ 0.04 $ 0.06
Diluted (in dollars per share) $ 0.03 $ 0.06