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Property and Equipment - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Property, Plant and Equipment [Abstract]      
Interest costs capitalized $ 29 $ 8 $ 6
Impairment of long-lived assets 380    
Selling costs 6    
Loss on sale of property 6    
Property, plant and equipment decrease $ 879    
Tangible asset impairment charges   $ 14