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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 1) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Asset impairments and related items $ 10,239 $ 7,379 $ 621
Oil and Gas | United States      
Impairments and related charges of exiting operations 1,862 [1] 3,253 485
Impairments related to decline in commodity prices and changes in future development plans 1,428 1,381 122
Rig termination charges 192    
Other asset impairment related charges 204 119  
Oil and Gas | Latin America      
Impairments for futures price curve 559 57  
Oil and Gas | Middle East and North Africa      
Impairments of exiting operations 1,658 918  
Impairments related to decline in commodity prices 2,833 91  
Chemical      
Asset impairments 121 149  
Midstream and Marketing      
Other asset impairment related charges 216 40 $ 14
Asset impairments 814    
Corporate      
Severance, spin-off and other 125 13  
Corporate | Joslyn oil sands project      
Asset impairments   805  
Corporate | California Resources Corporation      
Other-than-temporary impairment of investment $ 227 $ 553  
[1] A portion of the 2015 charges are reported in the Midstream and Marketing segment.