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Cash Dividend (Details)
$ / shares in Units, ¥ in Millions, $ in Millions
Mar. 03, 2022
USD ($)
$ / shares
Dec. 31, 2019
CNY (¥)
Nov. 30, 2019
USD ($)
Cash Dividend      
Cash dividends declared (Per share) $ 0.021    
Dividends payable $ 68 ¥ 678 $ 100