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Other Expense, Net - Summary of Restructuring and Impairments Recorded by Segment (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Restructuring And Impairments [Line Items]    
COVID-19 Restructuring and Impairments $ 168  
Restructuring 21  
Fixed Asset Impairments 57  
Brazil Closures 23  
Total 269 $ 58
COVID-19 Restructuring and Impairments, after tax 136  
Restructuring, after tax 21  
Fixed asset impairments, after tax 57  
Brazil Closures, after tax 23  
Total, after tax 237  
Power & Vision [Member]    
Restructuring And Impairments [Line Items]    
COVID-19 Restructuring and Impairments 115  
Restructuring  
Fixed Asset Impairments  
Brazil Closures  
Total 115  
Seating Systems [Member]    
Restructuring And Impairments [Line Items]    
COVID-19 Restructuring and Impairments 16  
Restructuring  
Fixed Asset Impairments  
Brazil Closures 15  
Total 31  
Body Exteriors & Structures [Member]    
Restructuring And Impairments [Line Items]    
COVID-19 Restructuring and Impairments 37  
Restructuring 21 31
Fixed Asset Impairments 57  
Brazil Closures 8  
Total $ 123  
Restructuring, after tax   $ 31