Retirement Plans and Other Retiree Benefits (Details)	12 Months Ended
	Dec. 31, 2016
United States Pension Plan of US Entity
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Target asset allocation	100.00%
United States Pension Plan of US Entity | Equity Securities
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Target asset allocation	27.00%
United States Pension Plan of US Entity | Fixed Income Securities
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Target asset allocation	53.00%
United States Pension Plan of US Entity | Real Estate and Other Investments
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Target asset allocation	20.00%
International Pension Benefits
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Target asset allocation	100.00%
International Pension Benefits | Equity Securities
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Target asset allocation	41.00%
International Pension Benefits | Fixed Income Securities
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Target asset allocation	40.00%
International Pension Benefits | Real Estate and Other Investments
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Target asset allocation	19.00%