Employee Retirement Plans (Details Textual) (USD $) In Millions, unless otherwise specified	9 Months Ended				3 Months Ended
	Sep. 30, 2014 United States pension plan	Sep. 30, 2014 Canada pension plan	Sep. 30, 2014 Other domestic and foreign pension plans	Sep. 30, 2014 Pension	Dec. 31, 2014 Scenario, Forecast [Member] Minimum Other domestic and foreign pension plans	Dec. 31, 2014 Scenario, Forecast [Member] Maximum Other domestic and foreign pension plans
Defined Benefit Plan Disclosure [Line Items]
Contribution by employer	$ 50	$ 8	$ 2
Estimated employer contributions in current fiscal year				61
Defined Benefit Plan, Settlement Charge					$ 12	$ 14