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Benefit Plans (Plan Asset Allocations) (Details)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
U.S. Defined Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Percentage of Plan Assets	100.00%	100.00%
U.S. Defined Benefit Plans | Equity securities
Defined Benefit Plan Disclosure [Line Items]
Target Allocations	46.00%
Percentage of Plan Assets	44.76%	44.02%
U.S. Defined Benefit Plans | Debt securities
Defined Benefit Plan Disclosure [Line Items]
Target Allocations	50.00%
Percentage of Plan Assets	50.05%	50.90%
U.S. Defined Benefit Plans | Real estate
Defined Benefit Plan Disclosure [Line Items]
Target Allocations	2.00%
Percentage of Plan Assets	2.94%	2.45%
U.S. Defined Benefit Plans | Other
Defined Benefit Plan Disclosure [Line Items]
Target Allocations	2.00%
Percentage of Plan Assets	2.25%	2.63%
Foreign Defined Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Percentage of Plan Assets	100.00%	100.00%
Foreign Defined Benefit Plans | Equity securities
Defined Benefit Plan Disclosure [Line Items]
Percentage of Plan Assets	13.23%	16.28%
Target Allocations, Minimum	15.00%
Target Allocations, Maximum	29.00%
Foreign Defined Benefit Plans | Debt securities
Defined Benefit Plan Disclosure [Line Items]
Percentage of Plan Assets	81.10%	78.85%
Target Allocations, Minimum	60.00%
Target Allocations, Maximum	85.00%
Foreign Defined Benefit Plans | Real estate
Defined Benefit Plan Disclosure [Line Items]
Percentage of Plan Assets	3.24%	3.15%
Target Allocations, Minimum	0.00%
Target Allocations, Maximum	3.00%
Foreign Defined Benefit Plans | Other
Defined Benefit Plan Disclosure [Line Items]
Percentage of Plan Assets	2.43%	1.72%
Target Allocations, Minimum	0.00%
Target Allocations, Maximum	5.00%

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Target allocation of investments of this type to total plan assets presented on a weighted average basis.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (c)(i)
-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e2446-114920

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Target allocation maximum percentage of investments of this type to total plan assets presented on a weighted average basis.

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Percentage of fair value of investments (categorized by debt securities, equity securities, real estate and other plan assets) to the fair value of plan assets held.

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