Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2018

Earnings Per Share [Abstract]

Earnings per Share

	Three Months Ended
	June 30, 2018						June 30, 2017
(Shares in thousands, dollars in millions, except per share amounts)			Effect of						Effect of
	Basic		Dilution		Diluted		Basic		Dilution		Diluted
Shareholders' net income	$	806			$	806	$	813			$	813
Shares
Weighted average		242,453				242,453		254,087				254,087
Common stock equivalents				2,886		2,886				3,974		3,974
Total shares		242,453		2,886		245,339		254,087		3,974		258,061
EPS	$	3.32	$	(0.03)	$	3.29	$	3.20	$	(0.05)	$	3.15

	Six Months Ended
	June 30, 2018						June 30, 2017
(Shares in thousands, dollars in millions, except per share amounts)			Effect of						Effect of
	Basic		Dilution		Diluted		Basic		Dilution		Diluted
Shareholders' net income	$	1,721			$	1,721	$	1,411			$	1,411
Shares
Weighted average		242,316				242,316		254,879				254,879
Common stock equivalents				3,248		3,248				4,034		4,034
Total shares		242,316		3,248		245,564		254,879		4,034		258,913
EPS	$	7.10	$	(0.09)	$	7.01	$	5.54	$	(0.09)	$	5.45

Antidilutive Options Table

	Three Months Ended		Six Months Ended
	June 30,		June 30,
(In millions)	2018	2017	2018	2017
Anti-dilutive options	0.9	1.2	0.9	1.9