Income per Common Share (Tables)

12 Months Ended

Dec. 31, 2013

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

	2013				2012						2011
(In millions, except per share data)	Basic		Diluted		Basic			Diluted			Basic		Diluted
Income from continuing operations	$	1,593	$	1,593	$	1,613		$	1,613		$	1,718	$	1,718
Discontinued operations	160		160		(31		)	(31		)	1,228		1,228
Net income	$	1,753	$	1,753	$	1,582		$	1,582		$	2,946	$	2,946
Weighted average common shares outstanding	705		705		706			706			710		710
Effect of dilutive securities	—		4		—			4			—		4
Weighted average common shares, including dilutive effect	705		709		706			710			710		714
Per share:
Income from continuing operations	$	2.26	$	2.24	$	2.28		$	2.27		$	2.42	$	2.41
Discontinued operations	$	0.23	$	0.23	$	(0.04	)	$	(0.04	)	$	1.73	$	1.72
Net income	$	2.49	$	2.47	$	2.24		$	2.23		$	4.15	$	4.13