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Employee Benefit and Retirement Plans - Schedule of Weighted-Average Assumptions Used to Determine Benefit Obligation (Detail)
Dec. 31, 2018
Dec. 31, 2017
Pension Benefits [Member] | United States [Member]    
Defined Contribution Plan Disclosure [Line Items]    
Discount rate 4.12% 3.48%
Long-term rate of compensation increase 3.00% 2.50%
Pension Benefits [Member] | International [Member]    
Defined Contribution Plan Disclosure [Line Items]    
Discount rate 2.53% 2.25%
Long-term rate of compensation increase 2.43% 3.53%
Postretirement Benefits [Member]    
Defined Contribution Plan Disclosure [Line Items]    
Discount rate 3.97% 3.32%
Current health care cost trend rates 6.99% 6.70%
Ultimate health care cost trend rates 4.50% 4.50%