Pension, Post-Retirement and Post-Employment Plans - Domestic Defined Benefit Post-Retirement Medical and Dental Plan (Details)	12 Months Ended
	Dec. 31, 2016
Post-retirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Benefit obligation percent to retirees	31.00%
Benefit obligation percent to eligible active participants	42.00%
Benefit obligation percent to other active participants	27.00%
Maximum | Post-retirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Post-retirement medical benefits limits	4.00%
Minimum | Post-retirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Post-retirement medical benefits limits	2.00%
Medical and Dental Plan | Maximum
Defined Benefit Plan Disclosure [Line Items]
Age of retiree	55 years
Years of service	20 years
Medical and Dental Plan | Minimum
Defined Benefit Plan Disclosure [Line Items]
Years of service	10 years
Retiring Prior To March 31, 1989
Defined Benefit Plan Disclosure [Line Items]
Post-retirement medical benefits limits	5.00%
Retiring After April 1, 1989
Defined Benefit Plan Disclosure [Line Items]
Post-retirement medical benefits limits	3.00%