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Defined Contribution and Defined Benefit Retirement - Summary of Actuarial Assumptions Used to Benefit Obligations (Detail) - Defined Benefit Pension Plans - Foreign | Dec. 31, 2018 | Dec. 31, 2017
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Pension Plans Postretirement And Other Employee Benefits [Line Items] |  |
Discount rate | 2.10% | 2.10%
Increase in future compensation levels | 2.60% | 2.60%

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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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- Definition Pension plans postretirement and other employee benefits. + References No definition available. + Details
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