Earnings Per Common Share (Tables)

6 Months Ended

Jun. 30, 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 June 30,						Six Months Ended June 30,
	2017			2016			2017			2016
Basic EPS:
Net income		$	803		$	950		$	1,037		$	1,650
Weighted average common shares outstanding (in thousands)			490,818			563,000			497,360			584,622
Basic EPS		$	1.64		$	1.69		$	2.08		$	2.82
Diluted EPS:
Net income for purposes of computing diluted EPS		$	803		$	950		$	1,037		$	1,650
Share computation for diluted EPS (in thousands):
Basic weighted average common shares outstanding			490,818			563,000			497,360			584,622
Dilutive effect of stock awards			2,147			3,040			3,021			4,142
Diluted weighted average common shares outstanding			492,965			566,040			500,381			588,764
Diluted EPS		$	1.63		$	1.68		$	2.07		$	2.80
Restricted stock unit awards excluded from the calculation of diluted EPS because inclusion would be antidilutive (in thousands)			837			2,601			616			1,845