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Property, Plant, and Equipment, Net - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Property Plant And Equipment [Line Items]      
Finance leased assets gross $ 68 $ 7  
Finance lease asset 58    
Finance lease liability 59 2  
Interest capitalized 10 17 $ 9
Depreciation expense 304 $ 276 $ 269
Fluoroproducts [Member]      
Property Plant And Equipment [Line Items]      
Finance lease asset 62    
Finance lease liability $ 62