XML 188 R82.htm IDEA: XBRL DOCUMENT v3.20.4
Commitments and Contingencies - Additional Information (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Dec. 31, 2020
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Loss Contingencies [Line Items]        
Pre-tax charge for litigation settlement       $ 13
Recovered, import duties paid previously $ 12 $ 2 $ 10  
AIT        
Loss Contingencies [Line Items]        
Recovered, import duties paid previously   4    
EVM        
Loss Contingencies [Line Items]        
Recovered, import duties paid previously   $ 8