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Redeemable Noncontrolling Interests - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Jul. 29, 2019
Aug. 08, 2018
Jun. 22, 2018
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Jul. 28, 2019
Feb. 01, 2017
Business Acquisition [Line Items]                  
Initial fair value of redeemable noncontrolling interests of acquired businesses       $ 102    
Recognition of additional redeemable noncontrolling interest       $ 64   64      
Payments to acquire redeemable noncontrolling interests           $ 43    
TM4 [Member]                  
Business Acquisition [Line Items]                  
Initial fair value of redeemable noncontrolling interests of acquired businesses     $ 102            
SME And Prestolite E-Propulsion Systems Limited (PEPS) [Member]                  
Business Acquisition [Line Items]                  
Recognition of additional redeemable noncontrolling interest $ 64                
BFP and BPT [Member]                  
Business Acquisition [Line Items]                  
Payments to acquire redeemable noncontrolling interests   $ 43              
Received in settlement of all pending and future claims   $ 10              
Hydro-Quebec [Member] | TM4 [Member]                  
Business Acquisition [Line Items]                  
Ownership percentage by noncontrolling owners     45.00%            
Hydro-Quebec [Member] | SME [Member]                  
Business Acquisition [Line Items]                  
Ownership percentage by noncontrolling owners 45.00%                
Hydro-Quebec [Member] | Prestolite E-Propulsion Systems Limited (PEPS) [Member]                  
Business Acquisition [Line Items]                  
Ownership percentage by noncontrolling owners 45.00%             22.50%  
Ownership percentage increase by noncontrolling owners 22.50%                
Brevini Group S.p.A. [Member] | BFP and BPT [Member]                  
Business Acquisition [Line Items]                  
Ownership percentage by noncontrolling owners                 20.00%