Earnings per share

12 Months Ended

Dec. 31, 2014

Notes To Financial Statements [Abstract]

Earnings per share

5 – Earnings per share

The following table provides a reconciliation between basic and diluted earnings per share:

In millions, except per share data	Year ended December 31,		2014		2013		2012
Net income		$	3,167	$	2,612	$	2,680
Weighted-average basic shares outstanding			819.9		843.1		871.1
Effect of stock-based compensation			3.6		3.0		4.3
Weighted-average diluted shares outstanding			823.5		846.1		875.4
Basic earnings per share		$	3.86	$	3.10	$	3.08
Diluted earnings per share		$	3.85	$	3.09	$	3.06