XML 49 R39.htm IDEA: XBRL DOCUMENT v3.20.2
CAPITALIZED EXPLORATORY WELL COSTS (Details) - USD ($)
$ in Millions
Jun. 30, 2020
Dec. 31, 2019
Projects with Exploratory Well Costs Capitalized for More than One Year [Line Items]    
Capitalized exploratory well costs $ 151 $ 141
Capitalized exploratory well costs that have been capitalized for period greater than one year   $ 14
Block 58 Offshore Suriname    
Projects with Exploratory Well Costs Capitalized for More than One Year [Line Items]    
Ownership percentage by noncontrolling owners   50.00%