Pension and Other Post-Retirement Benefits (Details 3)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Domestic defined benefit pension plans [Member] | Salaried Funded and Unfunded Plans [Member]
Expected long term return on assets and to measure the periodic cost
Discount rate, benefit obligation	3.95%	4.80%
Rate of compensation and pension-in-payment increases, benefit obligation	3.00%	3.00%
Discount rate, net periodic cost (benefit)	4.80%	5.25%
Expected return on plan assets, net periodic cost (benefit)	8.05%	8.65%
Rate of compensation and pension-in-payment increases, net periodic cost (benefit)	3.00%	4.50%
Domestic defined benefit pension plans [Member] | Hourly Funded Plans [Member]
Expected long term return on assets and to measure the periodic cost
Discount rate, benefit obligation	4.05%	4.85%
Discount rate, net periodic cost (benefit)	4.85%	5.25%
Expected return on plan assets, net periodic cost (benefit)	7.10%	7.80%
Foreign Funded Pension Plans, Defined Benefit [Member]
Expected long term return on assets and to measure the periodic cost
Discount rate, benefit obligation	4.25%	4.65%
Rate of compensation and pension-in-payment increases, benefit obligation	3.00%	2.90%
Discount rate, net periodic cost (benefit)	4.65%	5.40%
Expected return on plan assets, net periodic cost (benefit)	5.77%	6.12%
Rate of compensation and pension-in-payment increases, net periodic cost (benefit)	2.90%	3.40%
Retiree Health and Life [Member]
Expected long term return on assets and to measure the periodic cost
Discount rate, net periodic cost (benefit)	4.50%	4.95%
Retiree Health and Life [Member] | Salaried Health [Member]
Expected long term return on assets and to measure the periodic cost
Discount rate, benefit obligation	3.65%	4.50%
Retiree Health and Life [Member] | Hourly Health [Member]
Expected long term return on assets and to measure the periodic cost
Discount rate, benefit obligation	3.60%	4.60%
Discount rate, net periodic cost (benefit)	4.60%	4.95%
Retiree Health and Life [Member] | Salaried Life Insurance [Member]
Expected long term return on assets and to measure the periodic cost
Discount rate, benefit obligation	3.90%	4.75%
Discount rate, net periodic cost (benefit)	4.75%	4.95%
Retiree Health and Life [Member] | Hourly Life Insurance [Member]
Expected long term return on assets and to measure the periodic cost
Discount rate, benefit obligation	3.45%	4.45%
Discount rate, net periodic cost (benefit)	4.45%	4.95%