INCOME TAXES	9 Months Ended
Sep. 30, 2017
Income Tax Disclosure [Abstract]
INCOME TAXES	INCOME TAXES The Company estimates its annual effective income tax rate for continuing operations in recording its quarterly provision for income taxes in the various jurisdictions in which the Company operates. Non-cash impairments of the carrying value of the Company’s oil and gas properties, gains and losses on the sale of assets, statutory tax rate changes, and other significant or unusual items are recognized as discrete items in the quarter in which they occur. In August 2017, Apache completed the sale of ACL. For more information regarding this transaction, please refer to Note 2—Acquisitions and Divestitures. As a result of this transaction, Apache recorded a deferred tax asset associated with its realizable capital loss on the sale of ACL, and a decrease in the Company’s deferred tax liability associated with its investment in foreign subsidiaries. In the third and second quarters of 2017, the Company recorded a $2 million deferred income tax expense and a $674 million deferred income tax benefit, respectively, in connection with these transactions. Apache’s third quarter of 2017 effective income tax rate was primarily impacted by gains on the sale of oil and gas properties and a $30 million current tax benefit associated with U.S. federal income tax credits. On September 15, 2016, U.K. Finance Act 2016 received Royal Assent. Under the enacted legislation, the corporate income tax rate on North Sea oil and gas profits was reduced from 50 percent to 40 percent effective January 1, 2016. As a result of the enacted legislation, in the third quarter of 2016 the Company recorded a deferred tax benefit of $235 million related to the remeasurement of the Company’s December 31, 2015 U.K. deferred income tax liability. Apache’s 2017 year-to-date effective income tax rate is primarily impacted by the decrease in deferred taxes associated with its investments in foreign subsidiaries, gains on the sale of oil and gas properties, non-cash impairments of the Company’s PRT decommissioning asset, and the current tax benefit associated with U.S. federal income tax credits. Apache’s 2016 year-to-date effective income tax rate was primarily impacted by non-cash impairments of the carrying value of the Company’s oil and gas properties, non-cash impairments of the Company’s PRT decommissioning asset, the impact of the change in U.K. statutory income tax rate, and an increase in the amount of valuation allowances on U.S. and Canadian deferred tax assets. Apache and its subsidiaries are subject to U.S. federal income tax as well as income or capital taxes in various state and foreign jurisdictions. The Company’s tax reserves are related to tax years that may be subject to examination by the relevant taxing authority. In April 2017, the Internal Revenue Service (IRS) began their audit of the Company’s 2014 income tax year. The Company is also under audit in various states and in most of the Company’s foreign jurisdictions as part of its normal course of business.

INCOME TAXES

The Company estimates its annual effective income tax rate for continuing operations in recording its quarterly provision for income taxes in the various jurisdictions in which the Company operates. Non-cash impairments of the carrying value of the Company’s oil and gas properties, gains and losses on the sale of assets, statutory tax rate changes, and other significant or unusual items are recognized as discrete items in the quarter in which they occur.

In August 2017, Apache completed the sale of ACL. For more information regarding this transaction, please refer to Note 2—Acquisitions and Divestitures. As a result of this transaction, Apache recorded a deferred tax asset associated with its realizable capital loss on the sale of ACL, and a decrease in the Company’s deferred tax liability associated with its investment in foreign subsidiaries. In the third and second quarters of 2017, the Company recorded a $2 million deferred income tax expense and a $674 million deferred income tax benefit, respectively, in connection with these transactions.

Apache’s third quarter of 2017 effective income tax rate was primarily impacted by gains on the sale of oil and gas properties and a $30 million current tax benefit associated with U.S. federal income tax credits. On September 15, 2016, U.K. Finance Act 2016 received Royal Assent. Under the enacted legislation, the corporate income tax rate on North Sea oil and gas profits was reduced from 50 percent to 40 percent effective January 1, 2016. As a result of the enacted legislation, in the third quarter of 2016 the Company recorded a deferred tax benefit of $235 million related to the remeasurement of the Company’s December 31, 2015 U.K. deferred income tax liability.

Apache’s 2017 year-to-date effective income tax rate is primarily impacted by the decrease in deferred taxes associated with its investments in foreign subsidiaries, gains on the sale of oil and gas properties, non-cash impairments of the Company’s PRT decommissioning asset, and the current tax benefit associated with U.S. federal income tax credits. Apache’s 2016 year-to-date effective income tax rate was primarily impacted by non-cash impairments of the carrying value of the Company’s oil and gas properties, non-cash impairments of the Company’s PRT decommissioning asset, the impact of the change in U.K. statutory income tax rate, and an increase in the amount of valuation allowances on U.S. and Canadian deferred tax assets.

Apache and its subsidiaries are subject to U.S. federal income tax as well as income or capital taxes in various state and foreign jurisdictions. The Company’s tax reserves are related to tax years that may be subject to examination by the relevant taxing authority. In April 2017, the Internal Revenue Service (IRS) began their audit of the Company’s 2014 income tax year. The Company is also under audit in various states and in most of the Company’s foreign jurisdictions as part of its normal course of business.