Financing Arrangements (Details 2) (USD $)	12 Months Ended	0 Months Ended
	Dec. 31, 2012	Oct. 22, 2012 US revolving credit facility, due October 22, 2017	Dec. 31, 2013 US revolving credit facility, due October 22, 2017	Dec. 31, 2013 Revolving credit agreement in foreign countries
Long-term debt
Term of the credit agreement		5 years
Line of credit facility, maximum borrowing capacity		$ 1,000,000,000
Debt issuance costs	5,000,000	3,000,000
Additional increase in borrowing capacity of the line of credit available at the entity's option		250,000,000
Borrowings outstanding			0
Unused operating lines of credit				$ 487,000,000