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Retirement and Other Postretirement Benefit Plans - Schedule of Assumptions Used to Estimate the Actuarial Value of Benefit Obligations (Details) | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
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Defined Benefit Retirement Plans | U.S. Plans |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Rate of increase in compensation | 3.00% | 3.00% | 3.00%
Defined Benefit Retirement Plans | Minimum | U.S. Plans |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Discount rates | 2.80% | 2.80% | 3.10%
Defined Benefit Retirement Plans | Minimum | European Plans |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Discount rates | 1.25% | 1.20% | 1.25%
Rate of increase in compensation | 2.75% | 2.75% | 2.75%
Expected long-term rates of return on plan assets | 2.00% | 2.00% | 3.00%
Defined Benefit Retirement Plans | Maximum | U.S. Plans |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Discount rates | 3.20% | 3.20% | 3.60%
Defined Benefit Retirement Plans | Maximum | European Plans |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Discount rates | 3.05% | 2.55% | 2.95%
Rate of increase in compensation | 3.00% | 3.00% | 3.00%
Expected long-term rates of return on plan assets | 4.75% | 4.75% | 4.75%
U.S. Postretirement Plans |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Discount rates | 3.70% | 3.00% | 3.30%

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- Definition An assumption as to the rate of return on plan assets reflecting the average rate of earnings expected on the funds invested or to be invested to provide for the benefits included in the benefit obligation. + References No definition available. + Details
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- Definition Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(1) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
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- Definition Weighted average rate increase of compensation, used to determine benefit obligation of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(2) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
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