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Note 20 - Equity Affiliates - Equity Method Investments (Details) - USD ($)
$ in Millions
Sep. 30, 2021
Jul. 07, 2021
Dec. 31, 2020
Investments in equity affiliates $ 150    
Investments in affiliates carried at cost 24    
Investments in affiliates $ 174   $ 152
Dongfeng Dana Axle Co., Ltd. (DDAC) [Member]      
Investments in equity affiliates, ownership percentage 50.00%    
Investments in equity affiliates $ 109    
ROC-Spicer, Ltd. [Member]      
Investments in equity affiliates, ownership percentage 50.00%    
Investments in equity affiliates $ 22    
Axles India Limited [Member]      
Investments in equity affiliates, ownership percentage 48.00%    
Investments in equity affiliates $ 10    
Tai Ya Investment [Member]      
Investments in equity affiliates, ownership percentage 50.00% 50.00%  
Investments in equity affiliates $ 5    
All Others as a Group [Member]      
Investments in equity affiliates $ 4