XML 40 R30.htm IDEA: XBRL DOCUMENT v3.10.0.1
ACQUISITIONS AND DIVESTITURES - Additional Information (Details) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended 9 Months Ended
Jun. 30, 2017
Aug. 31, 2017
Dec. 31, 2018
Sep. 30, 2018
Sep. 30, 2017
Jun. 30, 2017
Dec. 31, 2016
Sep. 30, 2018
Sep. 30, 2017
Aug. 08, 2018
Business Acquisition [Line Items]                    
Leasehold and property acquisitions               $ 86 $ 142  
Proceeds from sale of Canadian assets, net of cash divested               0 661  
North America onshore regions                    
Business Acquisition [Line Items]                    
Leasehold and property acquisitions       $ 48 $ 75     86 142  
Permian region                    
Business Acquisition [Line Items]                    
Proceeds from sale of non-core assets               51 783  
Gains on sale of non-core assets               $ 10 594  
Refundable deposits for sale of non-core assets             $ 40      
Apache Canada Ltd. (ACL) | Disposed of by Sale                    
Business Acquisition [Line Items]                    
Proceeds from sale of Canadian assets, net of cash divested $ 228 $ 478                
Currency translation losses recorded in Accumulated Other Comprehensive Loss             $ 109      
Pretax losses from discontinued operations         12       $ 141  
Disposal Group, Midale and House Mountain | Disposed of by Sale                    
Business Acquisition [Line Items]                    
Gain (loss) on disposition of assets         $ 74 $ (52)        
Altus Midstream LP. | Partnership Interest                    
Business Acquisition [Line Items]                    
Partnership ownership percentage                   71.00%
KACC | Altus Midstream LP. | Scenario, Forecast | Subsequent Event                    
Business Acquisition [Line Items]                    
Proceeds from partnership contribution     $ 952