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Investments (Details) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2019
Nov. 19, 2020
Nov. 18, 2020
FTS international, inc.        
Schedule of Equity Method Investments [Line Items]        
Equity securities, cost   $ 65    
Share price (in usd per share)   $ 1.04    
Impairments of investments $ 23 $ 43    
Investment, ownership percentage     2.00% 20.00%
JWH midstream LLC (JWH)        
Schedule of Equity Method Investments [Line Items]        
Equity method investments   $ 17    
Payments to terminate involvement in partnership 7      
Impairment expense $ 24      
JWH midstream LLC (JWH) | Wildhorse resource development corporation        
Schedule of Equity Method Investments [Line Items]        
Business acquisition, percent acquired   50.00%