Earnings Per Common Share (Tables)

3 Months Ended

Mar. 31, 2018

Earnings Per Share [Abstract]

Computation of Basic and Diluted Earnings per Common Share

The following table sets forth the computation of basic and diluted earnings per common share (EPS) (in millions, except share and per share amounts):

	Three Months Ended March 31,
	2018		2017
Basic EPS:
Net income	$	186	$	340
Weighted average common shares outstanding (in thousands)	472,297		503,902
Basic EPS	$	0.39	$	0.67
Diluted EPS:
Net income for purposes of computing diluted EPS	$	186	$	340
Share computation for diluted EPS (in thousands):
Basic weighted average common shares outstanding	472,297		503,902
Dilutive effect of stock awards	2,301		3,895
Diluted weighted average common shares outstanding	474,598		507,797
Diluted EPS	$	0.39	$	0.67
Restricted stock unit awards excluded from the calculation of diluted EPS because inclusion would be antidilutive (in thousands)	1		395