Unaudited Selected Quarterly Data (Tables)

12 Months Ended

Dec. 31, 2014

Quarterly Financial Information Disclosure [Abstract]

Schedule of Unaudited Selected Quarterly Data

2013
In millions, except per share amounts	1st Qtr		2nd Qtr		3rd Qtr		4th Qtr
Sales	$	6,104	$	6,294	$	6,106	$	6,157
Operating income	759		806		790		768
Net earnings	489		488		497		478
Basic earnings per share	2.07		2.09		2.18		2.17
Diluted earnings per share	2.03		2.05		2.14		2.12
Weighted-average common shares outstanding	236.4		234.0		228.2		220.5
Weighted-average diluted shares outstanding	241.0		237.5		232.6		225.2

2014
In millions, except per share amounts	1st Qtr		2nd Qtr		3rd Qtr		4th Qtr
Sales	$	5,848	$	6,039	$	5,984	$	6,108
Operating income	845		820		769		762
Net earnings	579		511		473		506
Basic earnings per share	2.68		2.41		2.29		2.52
Diluted earnings per share	2.63		2.37		2.26		2.48
Weighted-average common shares outstanding	216.3		212.4		206.2		200.8
Weighted-average diluted shares outstanding	220.4		215.2		209.2		204.2