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Oil and Natural Gas Property Transactions - Pro Forma Financial Information (Details) - Wildhorse resource development corporation - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Business Acquisition [Line Items]    
Revenues $ 8,587 $ 11,211
Net income (loss) available to common stockholders $ (431) $ 195
Earnings per common share, basic (in usd per share) $ (0.26) $ 0.12
Earnings per common share, diluted (in usd per share) $ (0.26) $ 0.12