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Redeemable Noncontrolling Interest Redeemable Noncontrolling Interest (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2019
Dec. 31, 2019
Jul. 31, 2019
Dec. 31, 2018
Redeemable Noncontrolling Interest [Line Items]        
Redeemable Noncontrolling Interest, Equity, Carrying Amount   $ 0   $ 100
Ford Sollers Netherlands B.V.        
Redeemable Noncontrolling Interest [Line Items]        
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners   50.00%    
Redeemable Noncontrolling Interest, Equity, Carrying Amount       $ 100
Ford Sollers Joint Venture        
Redeemable Noncontrolling Interest [Line Items]        
Redeemable Noncontrolling Interest, Equity, Other, Redemption Value $ 135      
Noncontrolling Interest, Change in Redemption Value $ 35      
Noncontrolling Interest, Ownership Percentage by Parent     51.00%