Earnings Per Common Share (Tables)

3 Months Ended

Mar. 31, 2017

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,
	2017		2016
Basic EPS:
Net income	$	234	$	700
Weighted average common shares outstanding (in thousands)		503,902		606,245
Basic EPS	$	0.46	$	1.15
Diluted EPS:
Net income for purposes of computing diluted EPS	$	234	$	700
Share computation for diluted EPS (in thousands):
Basic weighted average common shares outstanding		503,902		606,245
Dilutive effect of stock awards		3,895		5,243
Diluted weighted average common shares outstanding		507,797		611,488
Diluted EPS	$	0.46	$	1.14
Restricted stock unit awards excluded from the calculation of diluted EPS because inclusion would be antidilutive (in thousands)		395		1,089