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Goodwill and Other Intangibles - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Jun. 30, 2020
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Goodwill [Line Items]        
Goodwill impairment charge   $ 585 $ 0 $ 0
Percentage of goodwill used for impairment testing   96.00%    
Amortization expense   $ 105 $ 112 $ 116
Amortization expense in 2021   78    
Amortization expense in 2022   73    
Amortization expense in 2023   66    
Amortization expense in 2024   58    
Amortization expense in 2025   37    
Dealer Networks        
Goodwill [Line Items]        
Other intangible asset impairment charges $ 27      
Agriculture        
Goodwill [Line Items]        
Goodwill impairment charge   $ 0    
Percentage of goodwill used for impairment testing   88.00%    
Indefinite-lived intangible assets including goodwill, excess of fair value over carrying value percentage   270.00%    
Other intangible asset impairment charges $ 65      
Construction        
Goodwill [Line Items]        
Goodwill impairment charge   $ 585    
Financial Services        
Goodwill [Line Items]        
Goodwill impairment charge   $ 0    
Percentage of goodwill used for impairment testing   8.00%    
Indefinite-lived intangible assets including goodwill, excess of fair value over carrying value percentage   51.00%