Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2014

Earnings Per Share [Abstract]

Reconciliation of basic and diluted earnings per common share

The following is a reconciliation of basic and diluted earnings per share for the respective periods:

	Three Months Ended June 30,					Six Months Ended June 30,
In millions, except per share amounts	2014		2013			2014		2013
Numerator for earnings per share calculations:
Income from continuing operations	$	1,246	$	1,125		$	2,375	$	2,079
Loss from discontinued operations, net of tax	—		(1		)	—		(1		)
Net income	$	1,246	$	1,124		$	2,375	$	2,078
Denominators for earnings per share calculations:
Weighted average shares, basic	1,165		1,227			1,172		1,230
Effect of dilutive securities:
Stock options	8		8			8		7
Restricted stock units	1		1			2		1
Weighted average shares, diluted	1,174		1,236			1,182		1,238
Basic earnings per share:
Income from continuing operations	$	1.07	$	0.92		$	2.03	$	1.69
Loss from discontinued operations	$	—	$	—		$	—	$	—
Net income	$	1.07	$	0.92		$	2.03	$	1.69
Diluted earnings per share:
Income from continuing operations	$	1.06	$	0.91		$	2.01	$	1.68
Loss from discontinued operations	$	—	$	—		$	—	$	—
Net income	$	1.06	$	0.91		$	2.01	$	1.68