Capital Stock (Tables)

12 Months Ended

Dec. 31, 2013

Equity [Abstract]

Stock Repurchases Pursuant To Board Of Director Authorizations

The remaining repurchases were made pursuant to the following authorizations (in millions of shares):

	Shares Repurchased			Authorization Remaining at December 31, 2013
Board of Directors’ Authorization	2013	2012	2011
1997 Authorization	—	4.3	6.2	1.8
2007 Authorization	7.7	2.2	—	6.8
Total	7.7	6.5	6.2	8.6