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ACQUISITIONS AND DIVESTITURES - Components of Company's Loss From Discontinued Operation (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Income (loss) from discontinued operations, net of tax $ 0 $ 0 $ (33)
Discontinued Operations      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Income (loss) from discontinued operations, net of tax 0 0 (33)
Apache Australia Operation | Discontinued Operations | Woodside Sale      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Loss on Woodside sale 0 0 (23)
Apache Argentina Operation | Discontinued Operations      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Loss from Argentina divestiture $ 0 $ 0 $ (10)