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Business Combinations - Narrative (Details)
kr in Millions, $ in Millions
3 Months Ended 9 Months Ended
Jul. 01, 2020
USD ($)
numberOfSoftwareEngineers
numberOfBusinessUnits
Sep. 30, 2020
USD ($)
Jun. 30, 2020
USD ($)
Jun. 30, 2020
SEK (kr)
Mar. 31, 2020
USD ($)
Mar. 31, 2020
SEK (kr)
Sep. 30, 2019
USD ($)
Sep. 30, 2020
USD ($)
Sep. 30, 2019
USD ($)
Dec. 31, 2019
USD ($)
Business Acquisition [Line Items]                    
Goodwill   $ 314           $ 314   $ 290
Acquisition of intangible assets               10 $ 0  
Net sales   $ 371         $ 462 918 $ 1,446  
Zenuity                    
Business Acquisition [Line Items]                    
Cash contribution to joint venture     $ 9 kr 90 $ 16 kr 150        
Intellectual Property                    
Business Acquisition [Line Items]                    
Acquisition of intangible assets $ 10                  
Finite-lived intangible asset, useful life 8 years                  
Intellectual Property | License                    
Business Acquisition [Line Items]                    
Net sales               10    
Zenuity, Inc                    
Business Acquisition [Line Items]                    
Goodwill $ 23                  
Business combination, acquisition related costs               $ 1    
Zenuity, Inc | Zenuity                    
Business Acquisition [Line Items]                    
Cash contribution to joint venture $ 37                  
Number of software engineers | numberOfSoftwareEngineers 200                  
Number of business units | numberOfBusinessUnits 2