Unaudited Selected Quarterly Data (Tables)

12 Months Ended

Dec. 31, 2016

Quarterly Financial Information Disclosure [Abstract]

Schedule of Unaudited Selected Quarterly Data

2015
In millions, except per share amounts	1st Qtr		2nd Qtr		3rd Qtr		4th Qtr
Sales	$	5,957	$	5,896	$	5,979	$	5,694
Operating income	780		813		794		689
Net earnings	484		531		516		459
Basic earnings per share	2.45		2.77		2.78		2.52
Diluted earnings per share	2.41		2.74		2.75		2.49
Weighted-average common shares outstanding	197.7		191.8		185.8		182.1
Weighted-average diluted shares outstanding	200.5		193.7		187.9		184.2

2016
In millions, except per share amounts	1st Qtr		2nd Qtr		3rd Qtr		4th Qtr
Sales	$	5,956	$	6,000	$	6,155	$	6,397
Operating income	739		797		826		831
Net earnings	556		517		602		525
Basic earnings per share	3.07		2.87		3.38		2.98
Diluted earnings per share	3.03		2.85		3.35		2.96
Weighted-average common shares outstanding	181.3		180.1		178.1		176.0
Weighted-average diluted shares outstanding	183.4		181.5		179.6		177.6