Other Equity Programs and Stock Rights (Tables)

12 Months Ended

Dec. 31, 2014

Equity [Abstract]

Schedule of Stock Repurchased

The table below summarizes annual share repurchase activity under these plans (in millions, except per share amounts):

				Total cost of shares
				purchased as part of
	Total number of	Average price		publicly announced
Year ended	shares purchased	paid per share		plans or programs
December 31, 2014	8.7	$	54.89	$	475.5
December 31, 2013	10.7	$	44.58	$	475.9
December 31, 2012 *	14.0	$	32.24	$	451.4
December 31, 2011	15.0	$	26.61	$	399.2
December 31, 2010	1.4	$	22.97	$	32.2

* Includes the repurchase of 5.7 million shares from WPM, L.P. for $200.0 million, or $35.03 per share, in December 2012.