The following table presents changes in the number of shares issued and outstanding.



Year ended December 31, (shares in thousands) (a)	2016		2015		2014
Common stock
Total issued, January 1,	482,791		480,136		479,767
New issuances
Employee benefits and compensation plans	2,917		2,655		369
Total issued, December 31,	485,708		482,791		480,136
Treasury balance, January 1,	(811	)	(41	)	—
Repurchase of common stock (b) (c)	(17,897	)	(769	)	(41	)
Total treasury stock, December 31,	(18,707	)	(811	)	(41	)
Total outstanding, December 31,	467,000		481,980		480,095


(a)	Figures in the table may not recalculate exactly due to rounding. Number of shares issued, in treasury, and outstanding are calculated based on unrounded numbers.


(b)	Includes shares of common stock withheld to cover income taxes owed by participants in our share-based incentive plans.


(c)	On July 19, 2016, we announced a common stock repurchase program of up to $700 million. The program commenced in the third quarter of 2016 and will expire on June 30, 2017.