Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2017

Earnings Per Share [Abstract]

Earnings per Share

		2017						2016						2015
(Shares in thousands, dollars in millions, except per share amounts)			Effect of						Effect of						Effect of
	Basic		Dilution		Diluted		Basic		Dilution		Diluted		Basic		Dilution		Diluted
Shareholders' net income	$	2,237	$	-	$	2,237	$	1,867	$	-	$	1,867	$	2,094	$	-	$	2,094
Shares
Weighted average		250,892		-		250,892		255,360		-		255,360		256,149		-		256,149
Common stock equivalents				4,180		4,180				4,287		4,287				4,443		4,443
Total shares		250,892		4,180		255,072		255,360		4,287		259,647		256,149		4,443		260,592
EPS	$	8.92	$	(0.15)	$	8.77	$	7.31	$	(0.12)	$	7.19	$	8.17	$	(0.13)	$	8.04

Antidilutive Options Table

(In millions)	2017	2016	2015
Anti-dilutive options	0.9	2.3	0.4