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Goodwill and Other Intangibles - Additional Information (Detail)
12 Months Ended
Dec. 31, 2018
USD ($)
reporting_unit
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Goodwill [Line Items]      
Impairment of goodwill and other intangible assets $ 0 $ 0  
Percentage of goodwill used for impairment testing 97.00%    
Number of reporting units at maximum risk for impairment (in reporting units) | reporting_unit 0    
Amortization expense $ 116,000,000 $ 115,000,000 $ 111,000,000
Amortization expense in 2019 103,000,000    
Amortization expense in 2020 77,000,000    
Amortization expense in 2021 67,000,000    
Amortization expense in 2022 57,000,000    
Amortization expense in 2023 $ 41,000,000    
Minimum      
Goodwill [Line Items]      
Indefinite-lived intangible assets including goodwill, excess of fair value over carrying value percentage 30.00%    
Agricultural Equipment Segment      
Goodwill [Line Items]      
Percentage of goodwill used for impairment testing 67.00%    
Construction Equipment Segment      
Goodwill [Line Items]      
Percentage of goodwill used for impairment testing 24.00%    
Financial Services      
Goodwill [Line Items]      
Percentage of goodwill used for impairment testing 6.00%