Pension and Postretirement Expense Level 4 (Details) - Weighted Average Allocations of Plan Assets	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
United States Pension Plans of US Entity, Defined Benefit [Member]
Defined Benefit Plan, Actual Plan Asset Allocations	100.00%	100.00%
Defined Benefit Plan, Target Plan Asset Allocations	100.00%
Foreign Pension Plans, Defined Benefit [Member]
Defined Benefit Plan, Actual Plan Asset Allocations	100.00%	100.00%
Defined Benefit Plan, Target Plan Asset Allocations	100.00%
Equity Securities [Member] | United States Pension Plans of US Entity, Defined Benefit [Member]
Defined Benefit Plan, Actual Plan Asset Allocations	32.00%	32.00%
Defined Benefit Plan, Target Plan Asset Allocations	36.00%
Equity Securities [Member] | Foreign Pension Plans, Defined Benefit [Member]
Defined Benefit Plan, Actual Plan Asset Allocations	23.00%	21.00%
Defined Benefit Plan, Target Plan Asset Allocations	22.00%
Debt Securities [Member] | United States Pension Plans of US Entity, Defined Benefit [Member]
Defined Benefit Plan, Actual Plan Asset Allocations	53.00%	55.00%
Defined Benefit Plan, Target Plan Asset Allocations	54.00%
Debt Securities [Member] | Foreign Pension Plans, Defined Benefit [Member]
Defined Benefit Plan, Actual Plan Asset Allocations	74.00%	77.00%
Defined Benefit Plan, Target Plan Asset Allocations	78.00%
Cash and Cash Equivalents [Member] | United States Pension Plans of US Entity, Defined Benefit [Member]
Defined Benefit Plan, Actual Plan Asset Allocations	15.00%	13.00%
Defined Benefit Plan, Target Plan Asset Allocations	10.00%
Cash and Cash Equivalents [Member] | Foreign Pension Plans, Defined Benefit [Member]
Defined Benefit Plan, Actual Plan Asset Allocations	3.00%	2.00%
Defined Benefit Plan, Target Plan Asset Allocations	0.00%