Unaudited Selected Quarterly Data (Tables)

12 Months Ended

Dec. 31, 2012

Quarterly Financial Information Disclosure [Abstract]

Schedule of Unaudited Selected Quarterly Data

2012
In millions, except per share amounts	1st Qtr		2nd Qtr		3rd Qtr		4th Qtr
Sales		$6,198		$6,274		$6,270		$6,476
Operating income	796		774		736		824
Net earnings	506		480		459		533
Basic earnings per share	2.00		1.91		1.86		2.19
Diluted earnings per share	1.96		1.88		1.82		2.14
Weighted-average common shares outstanding	253.1		250.8		247.2		243.4
Weighted-average diluted shares outstanding	258.0		254.7		252.1		248.9

2011
In millions, except per share amounts	1st Qtr		2nd Qtr		3rd Qtr		4th Qtr
Sales		$6,734		$6,560		$6,612		$6,506
Operating income	811		841		825		799
Net earnings	530		520		520		548
Basic earnings per share	1.82		1.84		1.89		2.12
Diluted earnings per share	1.79		1.81		1.86		2.09
Weighted-average common shares outstanding	291.8		282.6		274.9		258.2
Weighted-average diluted shares outstanding	296.9		287.2		279.3		262.7