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Note 22 - Equity Affiliates - Equity Method Investments (Details) - USD ($)
$ in Millions
Dec. 31, 2020
Dec. 16, 2020
Oct. 20, 2020
Dec. 31, 2019
Investments in equity affiliates $ 150      
Investments in affiliates carried at cost 2      
Investments in affiliates $ 152     $ 182
Dongfeng Dana Axle Co., Ltd. (DDAC) [Member]        
Investments in equity affiliates, ownership percentage 50.00%      
Investments in equity affiliates $ 99      
ROC-Spicer, Ltd. [Member]        
Investments in equity affiliates, ownership percentage 50.00% 50.00%    
Investments in equity affiliates $ 21 $ 21    
Pi Innovo Holdings Limited [Member]        
Investments in equity affiliates, ownership percentage 49.00%   49.00%  
Investments in equity affiliates $ 17      
Axles India Limited [Member]        
Investments in equity affiliates, ownership percentage 48.00%      
Investments in equity affiliates $ 8      
All Others as a Group [Member]        
Investments in equity affiliates $ 5