v3.20.2
Suspended Wells - Textual (Details)
$ in Millions
6 Months Ended
Jun. 30, 2020
USD ($)
Suspended Wells [Abstract]  
Capitalized cost of suspended wells $ 701
Increase (decrease) in capitalized cost of suspended wells 319
Capitalized Exploratory Well Cost, Charged to Dry Hole Expense $ 19
Number of wells charged to dry hole expense one